Readers ask: What Gauge Wire For Electric Water Heater?

Can I use 10 3 wire for a hot water heater?

All you need is 2 insulated conductors and 1 ground conductor. Since you have already bought 10-3 cable, I would just cap off the white conductor at both ends and use the red and black conductors for your hot wires and the ground conductor to attach to the green screw on the water heater.

What size breaker do I need for a 50 gallon electric water heater?

The standard for water heater circuits is #10, two conductors with ground (10/2) and a 30 amp circuit breaker for a water heater. If you are running cable anyway, just run #10 and replace the breaker so it’s done right, once and for all.

Can you use 12 2 wire for a water heater?

A 12-2 w/ground should be enough, although I would use a 10/2 for future “upgradability”. 10/2 is the standard cable for a water heater. Connect white to red. 12/2 would be insufficient for almost all water heaters.

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What size wire do I need for a 4500 watt water heater?

30 Amp dual pole breaker and 10 Gage wire size are required for 4500 watt elements.

Can I use 10-2 wire for a water heater?

Most water heaters are wired with 10-2 w/Ground shielded cable. For long distances you may need to go with heavier wire. When you use this type of wire both the white and the black will serve as hot conductors. The bare ground wire will also be connected to the neutral lug.

Can you use 12 2 wire for 220?

The same 12-gauge wire can be used for a 220v, 20-amp outlet to run power tools. You need a different type of receptacle and 10-gauge cable if the appliance draws 30 Amps.

How many amps does a 50 gallon water heater pull?

A typical 50 gallon electric water heater runs at 4500 watts. In an electric circuit of 240 volts, 4500 watts is equivalent to 18.75 amps.

How many amps does an electric water heater need?

Electric hot water heaters typically require a dedicated 30-amp, 240-volt breaker.

What size breaker do I need for a 40 gallon electric water heater?

A 40-gallon water heater should have an average 4500 Watt capacity and 240 V emf. Thus, a 25 or 30A breaker is sufficient for a 40-gallon breaker. However, for your safety, we recommend getting a 30A breaker.

How many amps does a 60 gallon water heater use?

Requires 240 volt electricity (a 30 amp breaker, with 10 gauge wire from the panel). Also available in a BC compliant model. Performance 60 Gal Electric Water Heater with 6 Year Warranty is rated 3.5 out of 5 by 6.

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What wire do I use for a 220 water heater?

Basic Home Wiring These cables come in many sizes and amperage ratings to accommodate different circuit needs, but you’ll probably use a 10-gauge for 30-amp NM cable for a 220V electric water heater.

Can you use stranded wire for water heater?

Use only 600 volt solid copper wire. Do not use stranded wire or extension cord. Do not use solder anywhere on residential 120-240 volt wiring.

Can I replace a 3500 watt water heater with a 4500 watt?

It is ok to install lower watt: replace 4500 with 3500 as long as voltage is same. Lower watt means less heat, so element can last longer.

How many amps does a 80 gallon water heater pull?

This should be checked out first. A water heater will only draw depending on the wattage of the element(s). So your WH has 2 – 4500 watt elements. When only one runs it is drawing about 22 amps (208 is nominal voltage which is what you have in your building) 4500/208= 21.6 amps.

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