All underground power wires and cables shall have adequate current carrying capacity, shall be protected from mechanical injury, and with the exception of trailing cables, shall be installed in a permanent manner.
52 P.S. § 70-1111
All underground power wires and cables shall have adequate current carrying capacity, shall be protected from mechanical injury, and with the exception of trailing cables, shall be installed in a permanent manner.
52 P.S. § 70-1111