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electrical wiring

  1. jar546

    Copper Clad Aluminum Wire is Making a Comeback

    In the early 1950s, copper shortages led cable manufacturers to develop an alternative conductor made from electrical-grade 1350 aluminum. By the 1960s, aluminum building wire had become popular across the United States. However, by 1968, it was identified as a hazard due to thermal instability...
    • jar546
    • Thread
    • cca copper clad aluminum electrical wiring national electric code nec
    • Replies: 15
    • Forum: Electrical Codes
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