applies_to stringlengths 4 144 ⌀ | designation stringlengths 1 43 | equivalent stringlengths 2 35 ⌀ | id stringlengths 1 55 | source stringclasses 15
values | source_quote stringlengths 10 712 | url stringlengths 66 120 | verified_fields listlengths 1 6 ⌀ | market_or_system stringclasses 29
values | meaning stringlengths 9 284 ⌀ | governing_reference stringlengths 7 54 ⌀ | disagreements listlengths 0 0 ⌀ | administered_by stringclasses 18
values | mandatory_status stringclasses 9
values | also_reported listlengths 1 1 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Acetylene | A | IIC | a | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | A | IIC | Acetylene | <0.50 mm | https://referencesource.org/certification-standards-equivalence/a/ | [
"applies_to",
"designation",
"equivalent"
] | null | null | null | null | null | null | null |
Acetylene | A | IIC | nec-a | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | A (Acetylene) | IIC | https://referencesource.org/certification-standards-equivalence/nec-a/ | [
"applies_to",
"designation",
"equivalent"
] | NEC | null | null | null | null | null | null |
null | A-deviation | null | europe-a-deviation | https://boss.cenelec.eu/homegrowndeliverables/en/pages/adev/ | Information that the provisions of an EN are in conflict with national regulation shall be included in an Annex to the European Standard, called A-deviation | https://referencesource.org/certification-standards-equivalence/europe-a-deviation/ | [
"designation",
"meaning"
] | Europe | Information that the provisions of an EN are in conflict with national regulation shall be included in an Annex to the European Standard, called A-deviation | null | null | null | null | null |
Class I | AEx d | Zone 1 | us-aex-d | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Flame Proof AEx d US Class I Zone 1 ISA 60079-1 | https://referencesource.org/certification-standards-equivalence/us-aex-d/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system",
"meaning"
] | US | Flame Proof | ISA 60079-1 | null | null | null | null |
Class I | AEx e | Zone 1 | us-aex-e | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Increased Safety AEx e US Class I Zone 1 ISA 60079-7 | https://referencesource.org/certification-standards-equivalence/us-aex-e/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system",
"meaning"
] | US | Increased Safety | ISA 60079-7 | null | null | null | null |
Class I | AEx ia | Zone 0 | us-aex-ia | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Intrinsic Safety AEx ia US Class I Zone 0 ISA 60079-11 | https://referencesource.org/certification-standards-equivalence/us-aex-ia/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system",
"meaning"
] | US | Intrinsic Safety | ISA 60079-11 | null | null | null | null |
null | AEx iaD | Zone 20 | us-aex-iad | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx iaD US Zone 20 ISA 61241-11 | https://referencesource.org/certification-standards-equivalence/us-aex-iad/ | [
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 61241-11 | null | null | null | null |
Class I | AEx ib | Zone 1 | us-aex-ib | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx ib US Class I Zone 1 ISA 60079-11 | https://referencesource.org/certification-standards-equivalence/us-aex-ib/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-11 | null | null | null | null |
null | AEx ibD | Zone 21 | us-aex-ibd | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx ibD US Zone 21 ISA 61241-11 | https://referencesource.org/certification-standards-equivalence/us-aex-ibd/ | [
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 61241-11 | null | null | null | null |
Class I | AEx m | Zone 1 | us-aex-m | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx m US Class I Zone 1 ISA 60079-18 | https://referencesource.org/certification-standards-equivalence/us-aex-m/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-18 | null | null | null | null |
Class I | AEx ma | Zone 0 | us-aex-ma | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx ma US Class I Zone 0 ISA 60079-18 | https://referencesource.org/certification-standards-equivalence/us-aex-ma/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-18 | null | null | null | null |
null | AEx maD | Zone 20 | aex-mad | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx maD Zone 20 ISA 61241-18 | https://referencesource.org/certification-standards-equivalence/aex-mad/ | [
"designation",
"equivalent",
"governing_reference"
] | null | null | ISA 61241-18 | null | null | null | null |
Class I | AEx mb | Zone 1 | us-aex-mb | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx mb US Class I Zone 1 ISA 60079-18 | https://referencesource.org/certification-standards-equivalence/us-aex-mb/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-18 | null | null | null | null |
null | AEx mbD | Zone 21 | us-aex-mbd | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx mbD US Zone 21 ISA 61241-18 | https://referencesource.org/certification-standards-equivalence/us-aex-mbd/ | [
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 61241-18 | null | null | null | null |
Class I | AEx nA | Zone 2 | us-aex-na | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx nA US Class I Zone 2 ISA 60079-15 | https://referencesource.org/certification-standards-equivalence/us-aex-na/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-15 | null | null | null | null |
Class I | AEx nC | Zone 2 | us-aex-nc | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Enclosed Break AEx nC US Class I Zone 2 ISA 60079-15 | https://referencesource.org/certification-standards-equivalence/us-aex-nc/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system",
"meaning"
] | US | Enclosed Break | ISA 60079-15 | [] | null | null | null |
Class I | AEx nR | Zone 2 | us-aex-nr | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Restricted AEx nR US Class I Zone 2 ISA 60079-15 | https://referencesource.org/certification-standards-equivalence/us-aex-nr/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-15 | null | null | null | null |
Class I | AEx o | Zone 1 | us-aex-o | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Oil Emmersion AEx o US Class I Zone 1 ISA 60079-6 | https://referencesource.org/certification-standards-equivalence/us-aex-o/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-6 | null | null | null | null |
null | AEx pD | Zone 21 | us-aex-pd | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx pD US Zone 21 ISA 61241-2 | https://referencesource.org/certification-standards-equivalence/us-aex-pd/ | [
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 61241-2 | null | null | null | null |
Class I | AEx px | Zone 1 | us-aex-px | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx px US Class I Zone 1 ISA 60079-2 | https://referencesource.org/certification-standards-equivalence/us-aex-px/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-2 | null | null | null | null |
Class I | AEx py | Zone 1 | us-aex-py | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx py US Class I Zone 1 ISA 60079-2 | https://referencesource.org/certification-standards-equivalence/us-aex-py/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-2 | null | null | null | null |
Class I | AEx pz | Zone 2 | us-aex-pz | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx pz US Class I Zone 2 ISA 60079-2 | https://referencesource.org/certification-standards-equivalence/us-aex-pz/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-2 | null | null | null | null |
Class I | AEx q | Zone 1 | us-aex-q | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Power Filled AEx q US Class I Zone 1 ISA 60079-5 | https://referencesource.org/certification-standards-equivalence/us-aex-q/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system",
"meaning"
] | US | Power Filled | ISA 60079-5 | null | null | null | null |
null | AEx tD | Zone 21 | us-aex-td | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | AEx tD US Zone 21 ISA 60079-31 | https://referencesource.org/certification-standards-equivalence/us-aex-td/ | [
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-31 | null | null | null | null |
null | ATEX/IECEx certification | null | us-atex-iecex-certification | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | ATEX/IECEx certification is not recognized in the US or Canada. | https://referencesource.org/certification-standards-equivalence/us-atex-iecex-certification/ | [
"designation",
"market_or_system",
"meaning"
] | US | not recognized in the US or Canada | null | null | null | null | null |
Hydrogen, butadiene | B | IIC (partially IIB+H₂) | b | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | B | IIC (partially IIB+H₂) | Hydrogen, butadiene | <0.50 mm | https://referencesource.org/certification-standards-equivalence/b/ | [
"applies_to",
"designation",
"equivalent"
] | null | null | null | null | null | null | null |
Hydrogen | B | IIC | nec-b | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | B (Hydrogen) | IIC | https://referencesource.org/certification-standards-equivalence/nec-b/ | [
"applies_to",
"designation",
"equivalent"
] | NEC | null | null | null | null | null | null |
Safety rules for household appliances | BS EN IEC 60335 | IEC 60335 | uk-bs-en-iec-60335 | https://knowledge.bsigroup.com/articles/just-how-identical-are-identical-standards | Identical adoption ensures UK manufacturers meet both European and international safety expectations | https://referencesource.org/certification-standards-equivalence/uk-bs-en-iec-60335/ | [
"market_or_system",
"meaning"
] | UK | Identical adoption ensures UK manufacturers meet both European and international safety expectations | null | null | null | null | null |
null | BS EN ISO 9001 | ISO 9001 | uk-bs-en-iso-9001 | https://knowledge.bsigroup.com/articles/just-how-identical-are-identical-standards | ISO 9001 on quality management systems is adopted in Europe as EN ISO 9001, and in the UK as BS EN ISO 9001. | https://referencesource.org/certification-standards-equivalence/uk-bs-en-iso-9001/ | [
"designation",
"equivalent",
"market_or_system"
] | UK | if you're compliant with BS EN ISO 9001 in the UK, it's equal to compliance with both ISO 9001 internationally and EN ISO 9001 in Europe | null | null | null | null | null |
Environmental management | BS EN ISO 14001:2015 | ISO 14001 | uk-bs-en-iso-14001-2015 | https://knowledge.bsigroup.com/articles/just-how-identical-are-identical-standards | Identical adoption ensures UK businesses comply with international and European requirements | https://referencesource.org/certification-standards-equivalence/uk-bs-en-iso-14001-2015/ | [
"market_or_system",
"meaning"
] | UK | Identical adoption ensures UK businesses comply with international and European requirements | null | null | null | null | null |
null | BSI Kitemark | null | uk-bsi-kitemark | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | BSI Kitemark - UK The British Standards Institution (BSI) was the world's first national standards body and continues to be a leading global standards maker. BSI is also the UK's National Standards Body, representing UK interests worldwide. The BSI Kitemark is a voluntary certification mark, globally recognized as a sy... | https://referencesource.org/certification-standards-equivalence/uk-bsi-kitemark/ | [
"administered_by",
"designation",
"mandatory_status",
"market_or_system"
] | UK | null | null | null | British Standards Institution (BSI) | voluntary certification mark | null |
ITE and audio/ video products | BSMI | null | taiwan-bsmi | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | The BSMI (Bureau of Standards, Metrology and Inspection) Certification is the approval scheme for ITE and audio/ video products in Taiwan. | https://referencesource.org/certification-standards-equivalence/taiwan-bsmi/ | [
"administered_by",
"applies_to",
"designation",
"market_or_system"
] | Taiwan | null | null | null | Bureau of Standards, Metrology and Inspection | null | null |
Ethylene, ethyl ether | C | IIB | c | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | C | IIB | Ethylene, ethyl ether | 0.50–0.90 mm | https://referencesource.org/certification-standards-equivalence/c/ | [
"applies_to",
"designation",
"equivalent"
] | null | null | null | null | null | null | null |
Ethylene | C | IIB | nec-c | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | C (Ethylene) | IIB | https://referencesource.org/certification-standards-equivalence/nec-c/ | [
"applies_to",
"designation",
"equivalent"
] | NEC | null | null | null | null | null | null |
null | CAN/CSA-C22.2 No. 60335-1 | IEC 60335-1 | canada-can-csa-c22-2-no-60335-1 | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | In North America, IEC 60335-1 has been used as the basis for a tri-national standard between the United States (UL 60335-1), Canada (CAN/CSA-C22.2 No. 60335-1), and Mexico (NMX-J-521/1-ANCE). | https://referencesource.org/certification-standards-equivalence/canada-can-csa-c22-2-no-60335-1/ | [
"designation",
"equivalent",
"market_or_system"
] | Canada | null | null | null | null | null | null |
null | CCC Mark | null | china-ccc-mark | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | CCC Mark - China The CCC (China Compulsory Certificate) Mark indicates compliance with Chinese laws and regulations and, as its names implies, is compulsory for any product used for commercial purposes in China. | https://referencesource.org/certification-standards-equivalence/china-ccc-mark/ | [
"designation",
"mandatory_status",
"market_or_system",
"meaning"
] | China | indicates compliance with Chinese laws and regulations | null | null | null | compulsory for any product used for commercial purposes in China | null |
null | CE Mark | null | european-economic-area-ce-mark | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | The "Conformité Européenne" or CE Mark The CE Mark was introduced nearly 30 years ago for certain products sold within the European Economic Area to show conformity with legal requirements in respect of relevant safety, health and environmental directives. The use of the CE logo is a manufacturer's declaration that the... | https://referencesource.org/certification-standards-equivalence/european-economic-area-ce-mark/ | [
"designation",
"mandatory_status",
"market_or_system",
"meaning"
] | European Economic Area | a manufacturer's declaration that the product meets these requirements | null | null | null | Simple CE marking is allowed under a self-certification process if the risk level of a product is considered minimal | null |
null | CE Marking | null | ce-marking | https://www.nist.gov/standardsgov/compliance-faqs-ce-marking | Decision 768/2008 – a common framework for the marketing of products, which lays down rules for CE marking. CE Marking on a product is a manufacturer’s declaration that a product meets the applicable health, safety, and environmental requirements outlined in the appropriate European product legislation and has undergon... | https://referencesource.org/certification-standards-equivalence/ce-marking/ | [
"designation",
"governing_reference",
"meaning"
] | null | a manufacturer’s declaration that a product meets the applicable health, safety, and environmental requirements outlined in the appropriate European product legislation and has undergone the relevant conformity assessment procedure | Decision 768/2008 | null | null | null | null |
null | CE marking | null | eu-ce-marking | https://www.nist.gov/standardsgov/compliance-faqs-ce-marking | Do all products sold in EU require CE marking? No. CE marking is compulsory for most products covered by the New Approach Directives. Products not covered under a New Approach Directive do not require CE marking. It is illegal to place a CE mark on a product that is not covered by a directive. | https://referencesource.org/certification-standards-equivalence/eu-ce-marking/ | [
"designation",
"mandatory_status",
"market_or_system"
] | EU | null | null | [] | null | compulsory for most products covered by the New Approach Directives | [
{
"as_of": "2026-08-11T00:00:00",
"field": "meaning",
"source": "https://blog.promise.legal/fcc-certification-ce-marking-connected-devices-hardware-startups/",
"source_quote": "CE marking is not a third-party approval. It is a manufacturer's self-declaration of conformity with applicable EU law",
... |
null | CE marking | null | europe-ce-marking | https://casco.iso.org/attestations-of-conformity.html | The CE marking is the visible consequence of the above process and indicates that a product is declared by the manufacturer as being in conformity with European Union harmonization legislation | https://referencesource.org/certification-standards-equivalence/europe-ce-marking/ | [
"designation",
"meaning"
] | Europe | indicates that a product is declared by the manufacturer as being in conformity with European Union harmonization legislation | EU-Regulations or EU-Directives | null | null | null | null |
null | Certification Body (CB) scheme | null | certification-body-cb-scheme | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | To ease the issue of regional differences, the Certification Body (CB) scheme allows manufacturers who have been issued a CB test certificate by one National Certification Body (NCB) to obtain certification marks from other participating NCBs. | https://referencesource.org/certification-standards-equivalence/certification-body-cb-scheme/ | [
"designation",
"meaning"
] | null | allows manufacturers who have been issued a CB test certificate by one National Certification Body (NCB) to obtain certification marks from other participating NCBs | null | null | null | null | null |
null | Class I | null | nec-class-i | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Class I | Flammable gases and vapors | https://referencesource.org/certification-standards-equivalence/nec-class-i/ | [
"designation",
"meaning"
] | NEC | Flammable gases and vapors | null | null | null | null | null |
null | Class I Division 1 | Zone 0 | nec-class-i-division-1 | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Continuous hazard | Class I Division 1 | Zone 0 | https://referencesource.org/certification-standards-equivalence/nec-class-i-division-1/ | [
"designation",
"equivalent",
"meaning"
] | NEC | Continuous hazard | null | [] | null | null | null |
null | Class I Division 2 | Zone 2 | nec-class-i-division-2 | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Occasional hazard | Class I Division 2 | Zone 2 | https://referencesource.org/certification-standards-equivalence/nec-class-i-division-2/ | [
"designation",
"equivalent",
"meaning"
] | NEC | Occasional hazard | null | null | null | null | null |
null | Class II | Zone 20/21/22 | class-ii | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | Dust handling: NEC separates dust into Class II (Groups E, F, G); IEC integrates dust into the same zone framework (Zone 20/21/22) with dust groups IIIA, IIIB, IIIC. | https://referencesource.org/certification-standards-equivalence/class-ii/ | [
"designation",
"equivalent",
"meaning"
] | null | NEC separates dust into Class II (Groups E, F, G); IEC integrates dust into the same zone framework (Zone 20/21/22) with dust groups IIIA, IIIB, IIIC | null | null | null | null | null |
null | Class II | null | nec-class-ii | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Class II | Combustible dust | https://referencesource.org/certification-standards-equivalence/nec-class-ii/ | [
"designation",
"meaning"
] | NEC | Combustible dust | null | null | null | null | null |
null | Class III | null | class-iii | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | Fiber hazards: NEC Class III (fibers/flyings) has no IEC equivalent. IEC considers fibers within the dust framework. | https://referencesource.org/certification-standards-equivalence/class-iii/ | [
"designation",
"meaning"
] | null | NEC Class III (fibers/flyings) has no IEC equivalent | null | null | null | null | null |
null | Class III | null | nec-class-iii | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Class III | Ignitable fibers | https://referencesource.org/certification-standards-equivalence/nec-class-iii/ | [
"designation",
"meaning"
] | NEC | Ignitable fibers | null | null | null | null | null |
null | CSA Mark | null | canada-csa-mark | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | CSA Mark - Canada The Canadian Standards Association operates the CSA marking scheme alongside UL certification to identify products acceptable in either Canada (C suffix letter) and/or the USA (US suffix). | https://referencesource.org/certification-standards-equivalence/canada-csa-mark/ | [
"administered_by",
"designation",
"market_or_system",
"meaning"
] | Canada | identify products acceptable in either Canada (C suffix letter) and/or the USA (US suffix) | null | null | Canadian Standards Association | null | null |
Methane, propane, gasoline | D | IIA | d | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | D | IIA | Methane, propane, gasoline | >0.90 mm | https://referencesource.org/certification-standards-equivalence/d/ | [
"applies_to",
"designation",
"equivalent"
] | null | null | null | null | null | null | null |
Propane | D | IIA | nec-d | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | D (Propane) | IIA | https://referencesource.org/certification-standards-equivalence/nec-d/ | [
"applies_to",
"designation",
"equivalent"
] | NEC | null | null | null | null | null | null |
null | Declaration of Conformity | null | us-declaration-of-conformity | https://casco.iso.org/attestations-of-conformity.html | the U.S. Federal Communications Commission (FCC) has adopted a rule that permits recognition of SDoC (also sometimes called Self Declaration of Conformity) for certain information technology devices | https://referencesource.org/certification-standards-equivalence/us-declaration-of-conformity/ | [
"administered_by",
"designation",
"meaning"
] | US | the U.S. Federal Communications Commission (FCC) has adopted a rule that permits recognition of SDoC (also sometimes called Self Declaration of Conformity) for certain information technology devices | null | null | Federal Communications Commission (FCC) | null | null |
null | DIN EN 60950-1 | IEC 60950-1 | germany-din-en-60950-1 | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | IEC 60950-1 consolidates the 2005 2nd edition of this standard with its first and second amendments (from 2009 and 2013 respectively). The standard is applicable to mains, or battery-powered information technology (IT) equipment and office machines with a rated voltage not exceeding 600 V. It is intended to prevent inj... | https://referencesource.org/certification-standards-equivalence/germany-din-en-60950-1/ | [
"designation",
"equivalent",
"market_or_system"
] | Germany | null | null | null | null | null | null |
null | DIN Mark | null | germany-din-mark | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | GS Mark and DIN Mark - Germany/EU Germany’s TUV standards agency operates the GS Mark (Geprüfte Sicherheit = tested safety) to show conformity with German’s Equipment and Product Safety Act (GPSG = Geräte- und Produktisicherheitgesetz). The GS Mark assures commercial buyers and consumers the product has been tested by ... | https://referencesource.org/certification-standards-equivalence/germany-din-mark/ | [
"administered_by",
"designation",
"market_or_system",
"meaning"
] | Germany | certifying component compliance with DIN, EN, IEC and ISO product safety standards | null | null | TUV Rheinland | null | null |
Class II | (DIP) | Division 1 | us-dip | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | (DIP) US Class II Division 1 UL 1203 | https://referencesource.org/certification-standards-equivalence/us-dip/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | UL 1203 | null | null | null | null |
Class II | (DIP) A21 | Division 1 | ca-dip-a21 | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | (DIP) A21 CA Class II Division 1 CSA E61241-1-1 | https://referencesource.org/certification-standards-equivalence/ca-dip-a21/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E61241-1-1 | null | null | null | null |
null | (DIP) A22 | Division 2 | dip-a22 | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | (DIP) A22 Division 2 CSA E61241-1-1 | https://referencesource.org/certification-standards-equivalence/dip-a22/ | [
"designation",
"equivalent",
"governing_reference"
] | null | null | CSA E61241-1-1 | null | null | null | null |
null | Division 1 | Zone 1 (+ Zone 0) | division-1 | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | Division 1 | Zone 1 (+ Zone 0) | Explosive atmosphere likely during normal operation (10–1000 hrs/yr) | https://referencesource.org/certification-standards-equivalence/division-1/ | [
"designation",
"equivalent",
"meaning"
] | null | Explosive atmosphere likely during normal operation (10–1000 hrs/yr) | null | [] | null | null | null |
null | Division 1 | Zone 0 / Zone 20 | nec-and-cec-division-1 | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Type of Area NEC and CEC* ATEX and IEC Definitions General CA Class II Division 1 & 2 US Class III Division 1 & 2 FM 3600 Con nuos A place in which an explosive atmosphere is Requirements Division 1 Zone 0 / Zone 20 | https://referencesource.org/certification-standards-equivalence/nec-and-cec-division-1/ | [
"designation",
"equivalent",
"market_or_system"
] | NEC and CEC | null | null | [] | null | null | null |
null | Division 1 | null | nec-division-1 | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Division 1 | Hazard present during normal operation | https://referencesource.org/certification-standards-equivalence/nec-division-1/ | [
"designation",
"meaning"
] | NEC | Hazard present during normal operation | null | null | null | null | null |
null | Division 2 | Zone 2 | division-2 | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | Division 2 | Zone 2 | Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr) | https://referencesource.org/certification-standards-equivalence/division-2/ | [
"designation",
"equivalent",
"meaning"
] | null | Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr) | null | [] | null | null | null |
null | Division 2 | Zone 2 / Zone 22 | nec-and-cec-division-2 | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | NEC and CEC* ATEX and IEC Definitions General CA Class II Division 1 & 2 US Class III Division 1 & 2 FM 3600 Con nuos A place in which an explosive atmosphere is Requirements Division 1 Zone 0 / Zone 20 CA Class III Division 1 & 2 hazard con nually present Ex US Zone 20, 21, 22 ISA 60079-0 Dust Igni on Proof (DIP) US Cl... | https://referencesource.org/certification-standards-equivalence/nec-and-cec-division-2/ | [
"designation",
"equivalent",
"market_or_system"
] | NEC and CEC | null | null | null | null | null | null |
null | Division 2 | null | nec-division-2 | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Division 2 | Hazard present only under abnormal conditions | https://referencesource.org/certification-standards-equivalence/nec-division-2/ | [
"designation",
"meaning"
] | NEC | Hazard present only under abnormal conditions | null | null | null | null | null |
null | Dust-ignition-proof | Ex t (Dust protection by enclosure) | dust-ignition-proof | https://exknowledge.com/pages/nec-500-vs-atex-iec.html | Dust-ignition-proof | Ex t (Dust protection by enclosure) | IEC 60079-31 | Prevent dust ingress and limit surface temperature | https://referencesource.org/certification-standards-equivalence/dust-ignition-proof/ | [
"designation",
"equivalent",
"governing_reference",
"meaning"
] | null | Prevent dust ingress and limit surface temperature | IEC 60079-31 | null | null | null | null |
Metal dust | E | null | nec-e | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | E | Metal dust | https://referencesource.org/certification-standards-equivalence/nec-e/ | [
"applies_to",
"designation"
] | NEC | null | null | null | null | null | null |
null | EAC | null | russia-eac | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | EAC Mark - Russia The Eurasian Conformity (EAC) mark has replaced the previous GOST-R and PCT national certification standards and marks. This mark is used to indicate products that meet all of the technical requirements of the Eurasian Customs Union. | https://referencesource.org/certification-standards-equivalence/russia-eac/ | [
"designation",
"market_or_system",
"meaning"
] | Russia | used to indicate products that meet all of the technical requirements of the Eurasian Customs Union | null | null | null | null | null |
Wired-only industrial sensors with no radio transmitter | EMC Directive | null | eu-emc-directive | https://blog.promise.legal/fcc-certification-ce-marking-connected-devices-hardware-startups/ | Wired-only industrial sensors with no radio transmitter fall under the EMC Directive (2014/30/EU) instead of RED | https://referencesource.org/certification-standards-equivalence/eu-emc-directive/ | [
"applies_to",
"designation",
"governing_reference",
"market_or_system"
] | EU | null | 2014/30/EU | null | null | null | null |
2.4 GHz Wi-Fi and Bluetooth devices | EN 300 328 | null | eu-en-300-328 | https://blog.promise.legal/fcc-certification-ce-marking-connected-devices-hardware-startups/ | EN 300 328 — the primary standard for Article 3.2 radio spectrum compliance for 2.4 GHz Wi-Fi and Bluetooth devices | https://referencesource.org/certification-standards-equivalence/eu-en-300-328/ | [
"applies_to",
"designation",
"meaning"
] | EU | the primary standard for Article 3.2 radio spectrum compliance for 2.4 GHz Wi-Fi and Bluetooth devices | null | null | null | null | null |
null | EN 60335-1 | IEC 60335-1 | europe-en-60335-1 | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | The European standard is EN 60335-1 and defines how appliances may comply with European directives, such as the low voltage directive. | https://referencesource.org/certification-standards-equivalence/europe-en-60335-1/ | [
"designation",
"meaning"
] | Europe | defines how appliances may comply with European directives, such as the low voltage directive | null | null | null | null | null |
null | EN 62368-1 | EN 60950-1 | eu-en-62368-1 | https://blog.promise.legal/fcc-certification-ce-marking-connected-devices-hardware-startups/ | EN 62368-1 (replacing the older EN 60950-1) — covers Article 3.1(a) audio/video and IT equipment safety | https://referencesource.org/certification-standards-equivalence/eu-en-62368-1/ | [
"designation",
"equivalent",
"meaning"
] | EU | covers Article 3.1(a) audio/video and IT equipment safety | null | null | null | null | null |
null | ENEC Mark | null | europe-enec-mark | https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks | ENEC Mark - Europe The ENEC Mark is simply the mark used to denote compliance with the European Norm (EN) standards for all electrical product sectors, as tested by approved independent testing laboratories worldwide. | https://referencesource.org/certification-standards-equivalence/europe-enec-mark/ | [
"designation",
"market_or_system",
"meaning"
] | Europe | the mark used to denote compliance with the European Norm (EN) standards for all electrical product sectors | null | null | null | null | null |
null | EU Declaration of Conformity (EU-DoC) | null | europe-eu-declaration-of-conformity-eu-doc | https://casco.iso.org/attestations-of-conformity.html | the EU legislation imposes an obligation on the manufacturer to draw up and sign a legally binding EU Declaration of Conformity (EU-DoC) before placing the product on the market | https://referencesource.org/certification-standards-equivalence/europe-eu-declaration-of-conformity-eu-doc/ | [
"designation",
"meaning"
] | Europe | the EU legislation imposes an obligation on the manufacturer to draw up and sign a legally binding EU Declaration of Conformity (EU-DoC) before placing the product on the market | ISO/IEC 17050-1 and -2 | null | null | null | null |
null | European Standard (EN) | null | europe-european-standard-en | https://boss.cenelec.eu/homegrowndeliverables/en/pages/adev/ | A-deviations do not release CENELEC members from their obligation to implement the relevant European Standard | https://referencesource.org/certification-standards-equivalence/europe-european-standard-en/ | [
"administered_by",
"meaning"
] | Europe | A-deviations do not release CENELEC members from their obligation to implement the relevant European Standard | null | null | CENELEC | null | null |
Class I | Ex | Division 1 & 2 | ca-ex | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Ex CA Class I Division 1 & 2 CSA 60079-0 | https://referencesource.org/certification-standards-equivalence/ca-ex/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA 60079-0 | null | null | null | null |
null | Ex | Zone 20, 21, 22 | us-ex | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Ex US Zone 20, 21, 22 ISA 60079-0 | https://referencesource.org/certification-standards-equivalence/us-ex/ | [
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | US | null | ISA 60079-0 | null | null | null | null |
Class I | Ex d | Zone 1 | ca-ex-d | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Ex d CA Class I Zone 1 CSA 60079-1 | https://referencesource.org/certification-standards-equivalence/ca-ex-d/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA 60079-1 | null | null | null | null |
null | Ex d | null | iec-atex-ex-d | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Ex d | Flameproof enclosure | https://referencesource.org/certification-standards-equivalence/iec-atex-ex-d/ | [
"designation",
"meaning"
] | IEC / ATEX | Flameproof enclosure | IEC 60079 series | null | null | null | null |
null | Ex d / da / db / dc | null | ex-d-da-db-dc | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Flameproof - Ex d / da / db / dc EN/IEC 60079-1 | https://referencesource.org/certification-standards-equivalence/ex-d-da-db-dc/ | [
"designation",
"governing_reference",
"meaning"
] | null | Flameproof | EN/IEC 60079-1 | null | null | null | null |
Class I | Ex e | Zone 1 | ca-ex-e | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Ex e CA Class I Zone 1 CSA E60079-7 | https://referencesource.org/certification-standards-equivalence/ca-ex-e/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-7 | null | null | null | null |
null | Ex e | null | iec-atex-ex-e | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Ex e | Increased safety | https://referencesource.org/certification-standards-equivalence/iec-atex-ex-e/ | [
"designation",
"meaning"
] | IEC / ATEX | Increased safety | IEC 60079 series | null | null | null | null |
null | Ex e / eb / ec | null | ex-e-eb-ec | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Increased Safety - Ex e / eb / ec EN/IEC 60079-7 | https://referencesource.org/certification-standards-equivalence/ex-e-eb-ec/ | [
"designation",
"governing_reference",
"meaning"
] | null | Increased Safety | EN/IEC 60079-7 | null | null | null | null |
null | Ex i | null | iec-atex-ex-i | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Ex i | Intrinsic safety | https://referencesource.org/certification-standards-equivalence/iec-atex-ex-i/ | [
"designation",
"meaning"
] | IEC / ATEX | Intrinsic safety | IEC 60079 series | null | null | null | null |
null | Ex i / ia / ib / ic | null | ex-i-ia-ib-ic | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Intrinsic Safety - Ex i / ia / ib / ic EN/IEC 60079-11 | https://referencesource.org/certification-standards-equivalence/ex-i-ia-ib-ic/ | [
"designation",
"governing_reference",
"meaning"
] | null | Intrinsic Safety | EN/IEC 60079-11 | null | null | null | null |
Class I | EX ia | Zone 0 | ca-ex-ia | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | EX ia CA Class I Zone 0 CSA E60079-11 | https://referencesource.org/certification-standards-equivalence/ca-ex-ia/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-11 | null | null | null | null |
Class I | Ex ib | Zone 1 | ca-ex-ib | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Ex ib CA Class I Zone 1 CSA E60079-11 | https://referencesource.org/certification-standards-equivalence/ca-ex-ib/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-11 | null | null | null | null |
Class I | Ex m | Zone 1 | ca-ex-m | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Encapsulated Ex m CA Class I Zone 1 CSA E60079-18 | https://referencesource.org/certification-standards-equivalence/ca-ex-m/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-18 | null | null | null | null |
null | Ex m | null | iec-atex-ex-m | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Ex m | Encapsulation | https://referencesource.org/certification-standards-equivalence/iec-atex-ex-m/ | [
"designation",
"meaning"
] | IEC / ATEX | Encapsulation | IEC 60079 series | null | null | null | null |
null | Ex m / ma / mb / mc | null | ex-m-ma-mb-mc | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Encapsula on - Ex m / ma / mb / mc EN/IEC 60079-18 | https://referencesource.org/certification-standards-equivalence/ex-m-ma-mb-mc/ | [
"designation",
"governing_reference"
] | null | null | EN/IEC 60079-18 | null | null | null | null |
Class I | EX nA | Zone 2 | ca-ex-na | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | EX nA CA Class I Zone 2 CSA E60079-15 | https://referencesource.org/certification-standards-equivalence/ca-ex-na/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-15 | null | null | null | null |
null | Ex nA / nC / nL | null | ex-na-nc-nl | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Non Sparking - Ex nA / nC / nL EN/IEC 60079-15 | https://referencesource.org/certification-standards-equivalence/ex-na-nc-nl/ | [
"designation",
"governing_reference",
"meaning"
] | null | Non Sparking | EN/IEC 60079-15 | null | null | null | null |
Class I | Ex nC | Zone 2 | ca-ex-nc | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Ex nC CA Class I Zone 2 CSA E60079-15 | https://referencesource.org/certification-standards-equivalence/ca-ex-nc/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-15 | null | null | null | null |
Class I | Ex nL | Zone 2 | ca-ex-nl | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Ex nL CA Class I Zone 2 CSA E60079-15 | https://referencesource.org/certification-standards-equivalence/ca-ex-nl/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-15 | null | null | null | null |
Class I | Ex nR | Zone 2 | ca-ex-nr | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Breathing Ex nR CA Class I Zone 2 CSA E60079-15 | https://referencesource.org/certification-standards-equivalence/ca-ex-nr/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-15 | null | null | null | null |
Class I | EX o | Zone 1 | ca-ex-o | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | EX o CA Class I Zone 1 CSA E60079-6 | https://referencesource.org/certification-standards-equivalence/ca-ex-o/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-6 | null | null | null | null |
null | Ex o / ob / oc | null | ex-o-ob-oc | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Oil Immersion - Ex o / ob / oc EN/IEC 60079-6 | https://referencesource.org/certification-standards-equivalence/ex-o-ob-oc/ | [
"designation",
"governing_reference",
"meaning"
] | null | Oil Immersion | EN/IEC 60079-6 | null | null | null | null |
null | Ex op is / op sh / op pr | null | ex-op-is-op-sh-op-pr | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Op cal Radia on - Ex op is / op sh / op pr EN/IEC 60079-28 | https://referencesource.org/certification-standards-equivalence/ex-op-is-op-sh-op-pr/ | [
"designation",
"governing_reference"
] | null | null | EN/IEC 60079-28 | null | null | null | null |
null | Ex p | null | iec-atex-ex-p | https://www.inframena.com/hazardous-area-classification-equivalency-guide/ | Ex p | Pressurization | https://referencesource.org/certification-standards-equivalence/iec-atex-ex-p/ | [
"designation",
"meaning"
] | IEC / ATEX | Pressurization | IEC 60079 series | null | null | null | null |
null | Ex p / pxb / pyb / pzc | null | ex-p-pxb-pyb-pzc | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Purge/Pressurised - Ex p / pxb / pyb / pzc IEC 60079-2 | https://referencesource.org/certification-standards-equivalence/ex-p-pxb-pyb-pzc/ | [
"designation",
"governing_reference",
"meaning"
] | null | Purge/Pressurised | IEC 60079-2 | null | null | null | null |
Class I | Ex px | Zone 1 | ca-ex-px | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Ex px CA Class I Zone 1 CSA E60079-2 | https://referencesource.org/certification-standards-equivalence/ca-ex-px/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-2 | null | null | null | null |
Class I | Ex py | Zone 1 | ca-ex-py | https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf | Ex py CA Class I Zone 1 CSA E60079-2 | https://referencesource.org/certification-standards-equivalence/ca-ex-py/ | [
"applies_to",
"designation",
"equivalent",
"governing_reference",
"market_or_system"
] | CA | null | CSA E60079-2 | null | null | null | null |
End of preview. Expand in Data Studio
Certification marks and hazardous-area classifications: cross-market equivalences
Canonical, always-current version: https://referencesource.org/certification-standards-equivalence/ Machine-readable: https://referencesource.org/certification-standards-equivalence/data.json — this mirror is a point-in-time copy.
- Last verified: 2026-08-11
- Stale after: 2027-08-11 (past this date, prefer the canonical copy — it re-verifies on a cadence this snapshot does not)
- Records: 200
Which product-safety certification mark applies in which market, who administers it and under what law (CE, UL, CSA, CCC, PSE, KC, BSMI, RCM, EAC, NOM, INMETRO and others), and how the two hazardous-area classification systems map onto each other: NEC Class/Division designations against IEC/ATEX Zone designations, gas group cross-references (NEC Group A-D against IEC IIA-IIC), temperature-class mappings, and the protection-concept codes (Ex d, AEx e, intrinsic safety) with the US, Canadian and IEC standards behind each. Answers 'is a CB certificate accepted in the US', 'what is the ATEX equivalent of Class I Division 2', and 'which mark is compulsory in China' — questions where the honest answer is often that there is no direct equivalent, and saying so is the value.
Provenance — what every record carries
Every record carries source (the URL the value was read from) and
source_quote (a verbatim quote from that page stating it). A value you
cannot check against its page is indistinguishable from an invented one;
these can all be checked. Each record is also individually addressable on
the canonical site at its url.
Licence position
Factual compilation with source citations. Facts about which mark applies where and how classification systems map are taken with short attributed quotes linking back to the published guide or page. No standard text is reproduced.
Facts are not copyrightable; what this dataset takes from each source is a fact plus a short attributed quote linking back to the page that states it.
Sources
- https://exknowledge.com/pages/nec-500-vs-atex-iec.html
- https://www.inframena.com/hazardous-area-classification-equivalency-guide/
- https://boss.cenelec.eu/homegrowndeliverables/en/pages/adev/
- https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf
- https://knowledge.bsigroup.com/articles/just-how-identical-are-identical-standards
- https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks
- https://www.nist.gov/standardsgov/compliance-faqs-ce-marking
- https://blog.promise.legal/fcc-certification-ce-marking-connected-devices-hardware-startups/
- https://casco.iso.org/attestations-of-conformity.html
- https://www.tuvsud.com/en-us/services/product-certification/iecee-cb-scheme
- https://single-market-economy.ec.europa.eu/sectors/electrical-and-electronic-engineering-industries-eei/low-voltage-directive-lvd_en
- https://single-market-economy.ec.europa.eu/sectors/mechanical-engineering/machinery_en
- https://health.ec.europa.eu/medical-devices-sector/new-regulations/guidance-mdcg-endorsed-documents-and-other-guidance_en
- https://single-market-economy.ec.europa.eu/sectors/electrical-and-electronic-engineering-industries-eei/radio-equipment-directive-red_en
- https://ulse.org/standards/
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