GroundRules
30 CFR 18.25: Combustible gases from insulating material.
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 18—ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES
- Subpart B—Construction and Design Requirements
(a) Insulating materials that give off flammable or explosive gases when decomposed electrically shall not be used within enclosures where the materials are subjected to destructive electrical action.
(b) Parts coated or impregnated with insulating materials shall be heat-treated to remove any combustible solvent(s) before assembly in an explosion-proof enclosure. Air-drying insulating materials are excepted.
Collected 2026-08-27T02:25:24Z. Source file · JSON