30 CFR 75.800 – High-voltage circuits; circuit breakers
Current as of: 2024 | Check for updates
|
Other versions
High-voltage circuits entering the underground area of any coal mine shall be protected by suitable circuit breakers of adequate interrupting capacity which are properly tested and maintained as prescribed by the Secretary. Such breakers shall be equipped with devices to provide protection against under-voltage grounded phase, short circuit, and overcurrent.