U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 31, 2025

All TitlesTitle 30Chapter IPart 18Subpart A - Subpart A—General Provisions
§ 18.1 - Purpose.
§ 18.2 - Definitions.
§ 18.3 - Consultation.
§ 18.4 - Electrical equipment for which approval is issued.
§ 18.5 - Equipment for which certification will be issued.
§ 18.6 - Applications.
§ 18.7 - [Reserved]
§ 18.8 - Date for conducting investigation and tests.
§ 18.9 - Conduct of investigations and tests.
§ 18.10 - Notice of approval or disapproval.
§ 18.11 - Approval plate.
§ 18.12 - Letter of certification.
§ 18.13 - Certification plate.
§ 18.14 - Identification of tested noncertified explosion-proof enclosures.
§ 18.15 - Changes after approval or certification.
§ 18.16 - Withdrawal of approval, certification, or acceptance.
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