Whether you're installing, extending, or rewiring a circuit, finding out the wire gauge and amperage you will need is a key first step. The gauge—or size—of the wire used needs to match the ...

These rules of thumb are referring to the amperage capacity or “ampacity” of the conductor (wire) and are often correct. Sometimes, these general rules lead technicians to believe that if an appliance ...

Most compressor manufacturers will stamp an amperage rating on their compressors. They will usually stamp the Rated Load Amp (RLA) of the compressor. However, the technician cannot use this value to ...

Step 1: Find amperage per Sec. 220-22 and Sec. 310-15(b)(4)(a). Ungrounded conductor = 14A. Grounded neutral conductor = 14A. Solution: Size the neutral conductor to carry a load of 14A. When sizing ...