Code of Federal Regulations · Section

§ 27.37 — Tests To Determine Adequacy Of Safety Devices For Bulbs

30 C.F.R. § 27.37

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The glass envelope of bulbs with the filament incandescent at normal operating voltage shall be broken in flammable methane-air or natural gas-air mixtures in a gallery to determine that the safety device will prevent ignition of the flammable mixtures.

30 C.F.R. § 27.36 30 C.F.R. § 27.38

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