Code of Federal Regulations (Last Updated: May 6, 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 18 - Electric Motor-Driven Mine Equipment and Accessories |
Subpart B - Construction and Design Requirements |
§ 18.49 - Connection boxes on machines.
Latest version.
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§ 18.49 Connection boxes on machines.
Connection boxes used to facilitate replacement of cables or machine components shall be explosion-proof. Portable-cable terminals on cable reels need not be in explosion-proof enclosures provided that connections are well made, adequately insulated, protected from damage by location, and securely clamped to prevent mechanical strain on the connections.