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Testing 220 Volts


By Dave Rongey - Summary:

When testing a 220 volt circuit it is normal to get a 120 volt reading from one…


Electrical Question from Subhash about Testing 220 Volt Wiring
Background: Subhash, a Homeowner from Troy MI

Question: I have a 220 swimming pool electric box with 4 wires black, red, white & green ground wire,
I am currently getting 120 between green and black and green and red wire. Is my wiring correct?
Is my wiring damaged or crossed?
Red 120 Power
Black 120 Power
White Neutral
Green Ground

Dave’s Reply:
Thanks for your electrical question Subhash. When testing a 220 volt circuit it is normal to get a 120 volt reading from one power leg to ground or neutral. As for any other situations about your swimming pool electrical equipment it is best for you to call a licensed electrician.

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