Alcan Type XHHW-2 building wire is designed for general-purpose wiring in residential, commercial and industrial buildings. It meets the requirements of Underwriters Laboratories Inc., Standard #44 for Type XHHW-2 with a maximum operating temperature of 90° C in wet and dry locations. Rated at 600 volts, the cable is approved for use in accordance with the recommendations of the National Electrical Code. STABILOY® alloy conductor is recognized by ASTM.