Why must a double pole switch be used for a water heater?

DU Duanmengyan asked on 10 April 2020, 20:56
1 answers / 823 views / 5 votes
AR

Generally because you have 240 volts and generally because water heaters have two elements that are separate from each other and depend on one of the legs of your 240 they're designed to operate separately so that if one element burns out the other element is still working. Without your double pole switch you're not going to have two independent circuits!

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