PART 20—ELECTRIC MINE LAMPS OTHER THAN STANDARD CAP LAMPS
- 20.0—Compliance with the requirements necessary for obtaining approval.
- 20.1—Purpose.
- 20.2—Definitions.
- 20.3—Application procedures and requirements.
- 20.5—Conditions governing investigations.
- 20.6—General requirements.
- 20.7—Specific requirements.
- 20.8—Class 1 lamps.
- 20.9—Class 2 lamps.
- 20.10—Tests (class 1 and 2 lamps).
- 20.11—Material required for MSHA records.
- 20.12—How approvals are granted.
- 20.13—Approval plate.
- 20.14—Instructions for handling future changes in lamp design.