Aluminum vs. Copper XHHW-2 Cable: Applications and Selection Guide
XHHW-2 is the standard building wire for North American commercial and industrial projects. Its XLPE insulation provides a 90°C dry/wet rating, making it suitable for conduits, cable trays, and outdoor exposed runs. But XHHW-2 ships with two conductor options: copper and aluminum. Both share identical insulation and voltage ratings, yet the conductor metal determines ampacity, […]