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What wire for a hot water tank?

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Anonymous

10y ago
Updated: 8/21/2019

In North America the cable used for wiring a hot water tank is two conductor #12. It is rated at 20 amps. This is for a normal 4000 watt tank. Larger wattage tanks will of course take a larger size conductor due to the greater current draw. These tanks require a 240 volt supply. To find the amperage of your tank use this equation; Amps = Watts/volts

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Wiki User

10y ago

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