Electrical Wire Ampacity Lookup
Look up wire ampacity by gauge and insulation type based on NEC Table 310.16. Supports AWG 14 through 4/0 with TW, THW, THHN, and XHHW insulation types. Shows temperature rating and common uses.
How to Use Electrical Wire Ampacity Lookup
Select the wire gauge (AWG 14 through 4/0) and insulation type (TW, THW, THHN, or XHHW). Click Look Up to see the ampacity rating, temperature rating, and common uses for that wire configuration. Based on NEC Table 310.16 for copper conductors.
Step-by-Step Instructions
- Select wire gauge (AWG)
- Select insulation type
- Click Look Up Ampacity
- View ampacity, temperature rating, and common uses
Related Tools
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine temperature scales.
Length Converter
Convert between meters, kilometers, miles, feet, inches, and other length units.
Weight and Mass Converter
Convert between kilograms, pounds, ounces, grams, stones, and other weight units.
Speed Converter
Convert between km/h, mph, m/s, knots, and other speed units.