ACWU are well-suited for direct earth burial; however, ACWU wiring is also suitable for hazardous locations. Building wire is mainly used in power distribution applications, service entrance, and branch circuit applications.
ACWU is CSA FT4, CSA C22.2 No. 51 and 174, IEEE 1202 and 383, UL 1581, ICEA T-30-520 and OSHA acceptable. Bare ACM aluminum compact or compressed Class B strand conductor. Cross-Linked Polyethylene (XLPE) insulation, flexible interlocked aluminum armour and flame-retardant, moisture and sunlight resistant, black PVC jacket.