1. Regulations
  2. title 30
  3. chapter I
  4. part 27
  5. subpart C
  6. § 27.37

View all text of Subpart C [§ 27.30 - § 27.41]

§ 27.37 - Tests to determine adequacy of safety devices for bulbs.

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.

AUTHORITY: 30 U.S.C. 957, 961.

SOURCE: 31 FR 10607, Aug. 9, 1966, unless otherwise noted.

CITE AS: 30 CFR 27.37