![]() A 60-amp breaker, for example, can carry up to 65 amps and is. ![]() The size and amperage of your breaker will dictate the size of the wires you’ll need. One wire will be the hot or live wire, while the other will be the neutral or ground wire. You are also very recommended to read similar calculations and wire size determinations for: 30 amp wire size here. You’ll need two electrically insulated copper wires of at least 8 gauge to complete this task. This situation sounded like a win-win until I dove into the details. This chart is useful for finding the correct wire size for any voltage, length, or amperage flow in any AC or DC circuit. If you have any questions regarding 20 amp wire sizing, you can pose them in the comments below and we will try to help you out. I will also suggest the option of trading my 2/0 wire in for the wire and maybe even the sub-panel and some breakers - I've had the 2/0 on a spool for sale for 1 1/2 years now ($200) but haven't unloaded it yet. Electric Furnaces, Large Electric Heaters, 60 Amps, 6 Gauge Electric Furnaces, Large Electric Water Heaters, Sub Panels, 80 Amps, 4 Gauge Service Panels, Sub. It finally dawned on me that he needed 3-wire anyway, and all in all it would require MORE work to retrofit this wire the RIGHT way than to just buy 80' of 3G #6. Wire uses the measurement of gauge to determine the size. Sounds like the best solution has nothing to do with snipping the wires to fit the lug (while it would clearly works, it does feel "wrong" and I'd rather uphold my values to maintain a higher standard that the typical hillbilly : )Īs a DIYer primarily (I AM an architect, but that doesn't equate to much in the field), I hesitate to work on electrical to leave it in a condition that would confuse the next guy a few years down the road. 12 Volt Wiring Gauge Requirements at specific Amps to length for Automotive Electrical Systems. Six gauge copper wire can carry 60 amps, four gauge indicates 100 amps, 2 gauge carries 125. Therefore, the wire size for 60 amp 220v, for example, is still 6 to 4 AWG. Inspect the gauge of the main service wire, if you can see it. All household wires have a rating of at least 600V, so only amperage really matters when it comes to determining wire gauge. E51583 S (UL) 600V AWG 2 CU TYPE MTW or THWN-2 or THHN or GASOLINE AND OIL RESISTANT II VW-1 SUNLIGHT RESISTANT. For 60 ampere breakers, electricians and professionals suggest using a wire size gauge ranging from 6 AWG to 4 AWG.
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