30 C.F.R. § 77.508-1
Current through November 30, 2024
Lightning arresters protecting exposed telephone wires entering buildings shall be provided at the point where each such telephone wire enters the building.
30 C.F.R. § 77.508-1
Lightning arresters protecting exposed telephone wires entering buildings shall be provided at the point where each such telephone wire enters the building.
30 C.F.R. § 77.508-1