ble Cord ???Insulated with felted asbestos and varnished cambric, and covered with a heavy asbestos braid, this cord is resistant to heat and moisture, oil, grease, corrosive Control Cable (for boiler rooms, power stations, kiln rooms and other locations where control or signal wiring is attacked by heat) ???Rockbestos A.V.C. Control Cable is designed for use under conditions too severe for contro