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Figure volts amps watts for water heater | How to wire water heater thermostats | Do-it-yourself |
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connect wires 30 Amp breaker  Breaker box |
Basic 240 & 120 Volt Water Heater CircuitsDia 1.) 240 Volt:Black and White wires are hot > bare copper is ground  Dia 2.) 240 Volt: Black and Red wires are hot > bare copper is ground > white is neutral  
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| Dia 3.) 120 Volt: Black wire is hot > white wire is neutral > bare copper is ground  | |||||||||||||
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 Electricity from pole to breaker box Replace circuit breaker Circuit breaker images |
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