Extension Cords - Load Rating vs. Wire Gauge and Length
Size of extension cords - full load ratings with 115 V. Determines the required wire gauge for extension cords based on length and amperage requirements.
Extension Cords - Load Rating vs. Wire Gauge and Length
Size of extension cords - full load ratings with 115 V.
Conversion: 1 ft (foot) = 0.3048 m
How to Use
Enter the extension cord length and the required amperage (full load rating) to determine the minimum recommended wire gauge (AWG).
Example
A 500 feet extension cord with full load rating of 5 amps should be at least AWG 8.