Southwire AC90 armoured electrical cable is manufactured using copper conductors with PVC/nylon insulation and a bare copper ground wire wrapped with bare interlocked aluminum armour., Minimum recommended installation temperature is minus 10°C. CSA cold temperature rating is minus 25°C., Maximum allowable conductor temperature is 90°C., Maximum voltage rating for all intended applications is 600V., Consult the most recent Canadian Electrical Code (CEC) or a licensed electrician for further information related to applications