AWG Wire Ampacity & Sizing Workbench

Operating Load

A
m
V

Thermal & Insulation

°C
%

Selected Wire Specs

Safe
Conductor Diameter / Area: 2.053 mm (3.31 mm²)
Max Ampacity (Selected Env): 20.0 A
Loop Resistance ($2 \times L$): 31.3 mΩ
Round-Trip Voltage Drop: 0.470 V (3.91%)
Wire Heat Dissipation ($I^2 R$): 7.04 W
Preece Fusing Current (10s): 235 A
Wire Safety Advisories & Sizing Engine

AWG Geometry & Ampacity Formulations