TY - BOOK ED - Audio Visual Source TI - Rigid electrical conduit U1 - 621.8555 RIG 19--1 PY - 1900/// CY - England PB - Audio Visual Source KW - Electric cables KW - Electric conduits N1 - Colour recording systems: VHS/NTSC N2 - Summary: Discusses use of metal conduit for the protection of conductors and cables. Focuses on cutting the conduit to specified length and preparation for threading ER -