Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 30 - Mineral Resources |
Chapter I - Mine Safety and Health Administration, Department of Labor |
SubChapter B - Testing, Evaluation, and Approval of Mining Products |
Part 20 - Electric Mine Lamps Other Than Standard Cap Lamps |
§ 20.7 - Specific requirements.
Latest version.
-
§ 20.7 Specific requirements.
Two general classes of electric lamps are recognized in these requirements, namely: Class 1, those that are self-contained and easily carried by hand, and class 2, those that may or may not be self-contained and not so readily portable as the first class.
(a) Class 1. Class 1 includes hand lamps, signal lamps, inspection lamps, flashlights, and animal lamps which are operated by small storage batteries or dry cells.
(b) Class 2. Class 2 includes lamps such as the pneumatic-electric types and large battery lamps.