4 Thhn Wire Rating

60 c 140 f 75 c 167 f awg mm copper.
4 thhn wire rating. The higher the gauge number the smaller the diameter and the thinner the wire. Types rh rhw thhw thw thhw. When a cord has three current carrying conductors there is a decrease in amperage. The amperage rating of a cord is a function of the wire gauge number of current carrying conductors and length of the cord.
75 c 167 f thw thwn se use xhhw. 60 c 140 f 75 c 167 f 90 c 194 f 60 c 140 f 75 c 167 f 90 c 194 f awg kcmil. Temperature rating of conductor see table 310 13. The tables below are intended to be a general guide for wire size and amp ratings.
Aluminum or copper clad aluminum. Likewise when the length of the cord exceeds fifty feet there is a decrease in amperage. Southwire s simpull thhn is primarily used in conduit and cable trays for services feeders and branch circuits in commercial or industrial applications as. 4 black stranded cu simpull thhn wire southwire s thhn and thwn 2 is a multi purpose southwire s thhn and thwn 2 is a multi purpose building wire used in conduit and cable trays for service feeders and branch circuits in commercial and industrial applications.
2 4 6301 east stassney lane suite 100. For application of this section the main. 7 1 the wire shall bear the underwriters laboratories labels for types thwn or thhn solid conductors and type mtw stranded conductors andthe c ul label for types t90 nylon ortwn75 ft1. Use the amp chart below to look up the rated.
60 c 140 f nm b uf b. Thhn 4 0 building wires wire the home depot store finder. 90 c 194 f thwn 2 thhn xhhw 2 use 2. 120 240 volt 3 wire single phase service entrance conductors service lateral conductors and feeder conductors that serve as the main power feeder to a dwelling unit and are installed in raceway or cable with or without an equipment grounding conductor.
Types rh rhw thhw thw thwn.