Today, aluminum alloy building wire is generally available in sizes 8 AWG to 1,000kcmil (up to 1,500kcmil in Canada). Although not required by the 2005 National Electrical Code (NEC), aluminum alloy ...

The NEC provides minimum size requirements for conductors to prevent overheating and fire. Insulation type, ambient temperature, and conductor bundling are three primary factors in determining how big ...