
Originally Posted by
Wolfshoon
Ah, the Pinery. Co-worker there had to re-do every outlet in his house with special AL to CU pigtails since the older houses there were built with aluminum wiring instead of copper. He had remodeled a room and county electrical inspector wrote up the whole house, that remodel got very expensive. Aluminum corrodes over time with the small wires in the wire nuts and then creates high resistance = fire. Special crimping tool and anti-corrosion gel connectors for the AL to CU pigtails.