Ampere Rating
Ampere Ratings of 3-Conductor Bulk Flexible Cords  
All web products Ampere rating is determined by wire.

Conductor Size AWGTypes SE, SEO, SJE, SJEO, SJT, SJTO, ST, STO, SPT-1, SPT-2, SPT-3
2 95 Amps
4 70 Amps
6 55 Amps
8 40 Amps
10 25, 30 Amps
12 25 Amps
14 18 Amps
16 13 Amps
18 10 Amps