Use a wire gauge amp chart to determine the approximate wire size for an electrical load. There are separate charts for different types of wire. Since the resistance of electricity is dependent on several factors, the ch... More »

CerroWire.com, AllenElectric.com, Gore.com, LugsDirect.com and Powerstream.com have ampacity charts that show the correct wire gauge to use for the intended amperage draw. Calculate the amperage draw by adding the wattag... More »

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Cerro Wire, a manufacturer of copper electrical building wire, provides a wire size and amp ratings chart on its website. On the chart, Cerro identifies the maximum amp load for both copper and aluminum wire of varying w... More »

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To read a wire size chart one must examine the column listing various sized gauges of wire, then read across the row to gather the information for that particular gauge of wire. Wire size charts are often designed to sho... More »

Cerro Wire, a manufacturer of copper electrical building wire, provides a wire size and amp ratings chart on its website. On the chart, Cerro identifies the maximum amp load for both copper and aluminum wire of varying w... More »

www.reference.com Home & Garden Home Maintenance Electrical

A 60-amp load requires a nine-gauge wire or less for chassis wiring and a four-gauge wire or less for power transmission. Safety margins generally dictate using a lesser gauge wire to avoid overloading. These two gauges,... More »

For 60-amp electrical service, 6-gauge copper or aluminum wire is the correct size to power such devices as electric furnaces and large electric heaters. A 50-amp circuit breaker or fuse box can also be powered by 6-gaug... More »