GroundRules
30 CFR 27.37: Tests to determine adequacy of safety devices for bulbs.
Where this section sits in the code
- Title 30—Mineral Resources
- CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
- SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS
- PART 27—METHANE-MONITORING SYSTEMS
- Subpart C—Test Requirements
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.
Collected 2026-08-27T02:25:24Z. Source file · JSON