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WebIf you have aluminum (or copper-clad aluminum), it can carry 75A at 60 degrees C, 90A at 75 degrees C, and 100A at 90 degrees C. 2 Gauge Wire Amps Rating If your region doesn’t use the AWG measurement, 2-gauge wires are 0.2576 inches in diameter. If you prefer mm, the diameter is approximately 6.544 mm or 33.6 mm2 (cross-section). WebSep 18, 2024 · “Twelve-gauge wire is good for 20 amps, 10-gauge wire is good for 30 amps, 8-gauge is good for 40 amps, and 6-gauge is good for 55 amps,” and “The circuit breaker or fuse is always sized to protect the conductor [wire].” These rules of thumb are referring to the amperage capacity or “ampacity” of the conductor (wire) and are often correct. slowly setting
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WebYou need to know the length of the wire run and the load (current) that will be on the circuit. To determine the load, add up the wattage of all electrical devices that will be on the circuit and divide this total by the voltage of the circuit, usually 120 volts or 240 volts. WebAug 30, 2024 · How many amps can a 10 AWG THW carry continuously? 40 amps We go from a 10 AWG conductor to an 8 AWG conductor (6 AWG if the equipment does not have the allowance for 75°C terminations). Now that is just one customary conductor size, but look at it from the device manufacturer’s perspective. WebEvery 100’ of 12 gauge, copper wire loses 3.3% voltage. So if you’re running 12 gauge wire at 20 amps 240V, it will drop to 232.08V at the end of the conductor, a loss of 7.92V. With an aluminum conductor, the percentage of voltage-drop at 100’ rises to 5.42%. A 12 gauge wire at 20 amps and 240V will lose 13V at the end of 100’ and your ... software rd station