Keyword Analysis & Research: electrical wire size

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Frequently Asked Questions

How do you determine wire size?

The gauge of the wire is determined by the number of draws needed to produce wire of the desired size. For example, the original rod is 0 gauge, wire from the first draw is 1 gauge, wire from the second draw is 2 gauge and so on. Examine the variables in calculating the wire size.

What size wire do you need for a 20 amp?

Amperage and Wire Gauge. Building codes based on the National Electrical Code prohibit the use of 14-gauge wire anywhere on a 20-amp circuit. All wiring in such circuits must be 12-gauge or larger.

What is the correct size wire for 60 amp service?

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-gauge wire.


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