Wire Gauge Calculator
AWG Wire Specifications
Find Wire Size by Amps
Formula
Lower AWG number = thicker wire = more capacity
Frequently Asked Questions
What wire gauge do I need?
Common residential: 14 AWG for 15A circuits (lighting), 12 AWG for 20A (outlets), 10 AWG for 30A (dryer), 8 AWG for 40A (range), 6 AWG for 50A (large AC). Always follow local electrical codes.
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