30 C.F.R. § 77.902-3 Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.
Title 30 - Mineral Resources
In grounding the frames of stationary, portable, or mobile equipment receiving power from resistance grounded systems, separate connections shall be used.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart J—Low- and Medium-Voltage Alternating Current Circuits
§ 77.902-3 Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.
