Twinning : Two Insulated Wires are twisted together Installation : Used for main distribution frames and cabinets. TYPE UF SPRINKLER IRRIGATION CONTROL WIRE American Standard Conductor : Solid or stranded, soft bare copper conductor, extra-heavy thickness of special polyvinylchloride insulation according to UL 493 RATED 600 V Specification : Copper conductor meet requirements of ASTM B-3, B-8 Colours : Standard Colours are black, white, red, blue, green, orange, yellow, additional colours are available on request. Application : Single conductor Type UF is especially for direct use in institutional and commercial sprinkler and irrigation system-golf courses, estates highway and ground covers, public parks, plantations, farms. Packing : Standard packages are long length or 500 feet, 1250 feet, 2500 feet, in plywood, cardboard spools or coils