I installed a pool motor timer (Intermatic P1103FE), the motor is 220 but the timer is 110. I ran a common/neutral from a 110 GFI outlet to the the timer as the 220 line does not have a neutral believing that all the neutrals are at the same potential at the CB box. Turned on the power and the GFI popped. I turned off the 110 PWR to inspect my work and was surprised by the shock I got from the leg of the 220 that was coming in on the neutral line. That was fun. I bypassed the timer and all is fine.  What the heck is going on???




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John 2 years 1 Answer 250 views

Answer ( 1 )

  1. You’ll need a timer for 220 volts. No other option.

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