Extension Cord Gauge Chart: AWG, Amps and Length (2026 Guide)
The extension cord gauge chart for jobsite loads: which AWG carries which amp draw at 25, 50, 100 and 150 feet, built on cord-set ratings and a 5% voltage-drop budget you can verify from the formula shown. Covers 12/3 vs 14/3, SJTW jacket codes, OSHA's three-wire hard-usage rule, and the troubleshooting section for a cord that runs hot.
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