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Regulations last checked for updates: May 23, 2025

Title 30 - Mineral Resources last revised: Apr 14, 2025
All TitlesTitle 30Chapter IPart 27Subpart C - Subpart C—Test Requirements
  • § 27.30 - Inspection.
  • § 27.31 - Testing methods.
  • § 27.32 - Tests to determine performance of the system.
  • § 27.33 - Test to determine explosion-proof construction.
  • § 27.34 - Test for intrinsic safety.
  • § 27.35 - Tests to determine life of critical components and subassemblies.
  • § 27.36 - Test for adequacy of electrical insulation and clearances.
  • § 27.37 - Tests to determine adequacy of safety devices for bulbs.
  • § 27.38 - Tests to determine adequacy of windows and lenses.
  • § 27.39 - Tests to determine resistance to vibration.
  • § 27.40 - Test to determine resistance to dust.
  • § 27.41 - Test to determine resistance to moisture.
authority: 30 U.S.C. 957,961
source: 31 FR 10607, Aug. 9, 1966, unless otherwise noted.
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