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Regulations last checked for updates: May 23, 2025
Title 30 - Mineral Resources last revised: Apr 14, 2025
All Titles
Title 30
Chapter I
Part 27
Subpart 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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