General Cable RW90 and RWU90 High Speed (HS) copper building wire products are used in outdoor wiring that is exposed to the weather, and in raceways (except cable trays) in dry, damp or wet locations in accordance with the Canadian Electrical Code. Consisting of a full color, single conductor copper cable with Cross-linked Polyethylene insulation, these cables are rated at 90°C wet or dry and meet both bend and cold impact tests at -40°C.