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awg per amp

People also ask

  • What is the amp rating for 12 AWG wire?

  • What is the amp rating for 12-gauge wire? At 120 or 240 volts, a 12 gauge wire (AWG, American wire gauge, copper wire) has a constant load rating of 16 amps. At any other voltage it will overheat and break. The amp rating of wire determines how many amperes it can safely carry while maintaining its integrity.

  • What is the ampacity for 8 AWG wire?

  • The United States National Electric Code, Table 310.15 (B) (16), specifies that up to three 8 AWG copper wires having a common insulating material (THWN) in a raceway, cable, or direct burial has an ampacity of 50 A when the ambient air is 30C, the conductor surface temperature allowed to be 75C.

  • What size wire for 30 amp service?

  • The rule of thumb that techs will usually go by is that for a 30 amp circuit breaker, 10-gauge wire is the right one to go with. For a 40 amp you need a 8-gauge wire. For a 20 amp, you will need a 12-gauge wire.

  • What is the amp rating for 12-gauge wire?

  • A 12 gauge wire is rated for 25 amps. NEC only allows for it to be protected at a max of 20 amps (unless following an exception for motor loads). What size wire is rated for 60 amps? It’s recommended to use a 4- gauge wire for 60 – amp appliances like an electric furnace or a large electric heater.

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