The amperage rating of a cord is a function of the wire gauge number of current carrying conductors and length of the cord.
10 4 wire rating.
30 amps 25 amps.
The tables below are intended to be a general guide for wire size and amp ratings.
Get free shipping on qualified 4 10 wire or buy online pick up in store today in the electrical department.
10 4 soow bulk wire cord 4 wire 30a 600v outdoor rated 10 awg 4 conductor bulk flexible electrical cable 10 4 soow sku.
40 amps 35 amps.
25 amps 20 amps.
2 3 or 4 3 4 or 5.
60 c 140 f nm b uf b.
2 3 or 4 3 4 or 5.
60 c 140 f 75 c 167 f awg mm copper.
75 c 167 f thw thwn se use xhhw.
10 awg 4 black power cord by the foot item 26908 model 55809646 designed for extra hard usage on industrial equipment battery chargers power extensions and mining applications.
When a cord has three current carrying conductors there is a decrease in amperage.
90 c 194 f thwn 2 thhn xhhw 2 use 2.