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enter image description hereTo whom it may concern, I recently purchased a Dayton AC Gearmotor 115 Nameplate RPM 4.0 RPM Max Model # 52JE07. Torque 75.0 in-lb. The gear motor is single phase with two wires L1 and L2 respectively with no ground. I wired this into a 20 amp industrial switch. From the switch is 10 feet of 14 gauge extension cord to plug to my outlet. When I turn the switch to off, it blows the 20 Amp circuit breaker in my box every time. This motor does not require a capacitor according to the technical specs provided by Dayton. I did not ground the plug nor the switch as the motor is two wire. I switched neutral and hot on the switch and vice versa from the L1 and L2 terminals with absolutely no change. There are GFCI outlets in the circuit where I am plugging into. They do not trip, only the main breaker. I can turn the motor off and on by tripping the GFCI breaker on the next outlet leaving the switch on. As soon as I turn the switch off, trips the breaker. My question is, should I wire ground to neutral on the switch from my plug wire? Any ideas of what could be causing this?

  • please draw a diagram of the electrical connections – jsotola Oct 20 at 0:27
  • Why are the connections labeled L1 and L2 given this is a 115 V AC motor? – Jim Stewart Oct 20 at 1:02
  • Jim, I honestly do not know why they labeled them L1 and L2 on this 115 AC motor. Here is a link with Daytons basic drawing. grainger.com/ec/pdf/1MBF3_4.pdf – Bryan Wiitala Oct 20 at 1:17
  • Did you try hooking it up without the switch? – JACK Oct 20 at 1:37
  • Is the circuit breaker a GFCI breaker, or is it a plain breaker? Does it have a TEST button? Or is it an AFCI breaker? – Harper - Reinstate Monica Oct 20 at 1:57
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I'm pretty sure you wired your switch wrong, and "off" (so you think) is a dead short.

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