§27.37. Tests to determine adequacy of safety devices for bulbs.
30 C.F.R. § 27.37
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.
Notes, amendments, and revision history
Authority
Authority: 30 U.S.C. 957, 961.
Source
Source: 31 FR 10607, Aug. 9, 1966, unless otherwise noted.