How to Select the Proper Electrical Extension Cord

For medium extension cord use such as small appliances, laptops and other devices up to 10 amps, use the following table for three wire grounded extension cord gauge size and extension cord length.

Cord Length: Up to 25 feet
Gauge Size: No. 16 Gauge

Cord Length: Up to 50 feet
Gauge Size: No. 14 Gauge

Cord Length: Up to 100 feet
Gauge Size: No. 12 Gauge