what size wire for 100 amp | Solar panel wholesaler

what size wire for 100 amp

Best answer


When it comes to the lines connecting master and secondary panels,where the line will carry as much as a full 100 amps,use a2-gaugenon-metallic sheathed electrical cable. The cable must contain one or two hot wires depending on your needs,one neutral wire,and one ground wire. Each wire should be 2-gauge in size.

People also ask


  • What size wire do I need for a 100 amp outlet?

  • For 100 amp, you are looking to either get a gauge 1 wire size made of aluminum, whereas a gauge 3 can do it when made of copper. For 150 amp, as per the chart below, you鈥檙e looking at a 3/0 wire gauge made of aluminum, whereas a 1/0 is the smallest size you can go with when looking at copper.

  • What size copper wire do I need for 80 amp power?

  • 80 amp. If you鈥檙e working with 80 amp electricity, you need a gauge 4 copper wire, whereas it would need to be a size 2 if you are going for aluminum instead. 100 amp. For 100 amp, you are looking to either get a gauge 1 wire size made of aluminum, whereas a gauge 3 can do it when made of copper. 125 amp

  • What size wire for 25 amps?

  • 12 AWG wire has a rated ampacity of 25 amps. That is a perfect wire size for a 25 amp circuit. If you want to have an even safer circuit, you can use 10 AWG wire as the 25 amps wire size. Note: Do inform yourself about the specific characteristics of these wires before you buy one.

  • How many amps can a 1 AWG wire handle?

  • Given the 42.4 mm2 thickness, the 1 AWG copper wire has a current-carrying ampacity of 130 amps at 75C. This gives us a pretty good indication of how many amps can a 1 AWG gauge wire handle. With 130 amps capacity, 1 gauge wire can serve as a battery cable, welding cable, or any other power cable that requires a good 100 amps of electric current.

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