With a 12 gauge 60☌ aluminum wire, homeowners can safely use only 15 amps. As a result, if you use it in any application, you may need a thicker gauge to deliver more current. However, aluminum is not as effective as copper. For additional information, here are some of the three types of 12-gauge wires available on the market.Īluminum wires are one of the best alternatives for copper wires since they are relatively less expensive. However, each wire set may have an additional ground wire, bare or with green insulation. Generally, the first number determines the size of the wire, while the second number determines the number of conductors. When buying a 12 gauge wire thickness set, you may see a rating of 12/2, 12/3, or 12/4. Let us determine the 12 AWG amp rating depending on the type of conductor. To know more about 12 gauge wires, here are the various types you may come across when shopping for them. A 75☌ wire, on the other hand, is recommended for equipment rated at more than 100 amps, and a 90☌ wire for substantially higher current. For equipment with less than 100 amps, check out the 60☌ wire rating. Remember, those specific temperature ratings are recommended for various equipment. However, before we determine what exact amp a 12 gauge wire is rated for, let me first explain the various temperature values you might see in the chart. This table specifies the recommended loads for every given wire size. The best way to know the amperage rating for 12 gauge wire, as well as other wire sizes, is to look at the NEC table 310.15(B)(16).
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