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Manufacturers of electrical equipment seeking North American certification may choose either Class/division marking or Zone marking. The Zone ...

Electrical equipment must carry the official mark or label of an accredited certifying agency, which indicates that the ...

Electrical equipment to be used in a hazardous location (“Ex”) must be designed so that there are no ...

When Standards change, manufacturers should be aware of the changes and should update their certifications accordingly.  A relatively ...

Certification by an impartial third-party or certification agency is an attestation that relevant safety and performance standards have ...