underground applications / Pilot wire devices / Pilot wire terminating devices / low and medium voltage systems / pilot wire terminating device / mine power distribution systems / internal discharge devices / permissible equipment applications / semiconductor devices / voltage systems / surge suppression devices / wire monitor systems / /
Organization
Mine Safety and Health Administration / Approval and Certification Center / Division of Electrical Safety / /
Mine Safety and Health Administration (MSHA) – Design and Performance Criteria for Acceptance of Ground Wire Monitor Systems