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Re: Electric motor wiring


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Posted by electro on December 02, 2021 at 09:13:58 from (206.74.76.168):

In Reply to: Electric motor wiring posted by Bkpigs on November 30, 2021 at 08:37:48:

The photo of the wires is not clear on my phone and a better photo with the wires somewhat separated would help but I see 4 smaller wires, (red, blue, black, yellow) and 5 larger wires, (red, blue, black, orange, yellow). The larger wires look like they all turn towards the BX cable. The larger blue wire is capped off and does not appear to be used. The motor should have 4 small wires which it does although the orange wire listed on the label is now blue. Each of the 4 motor smaller wires is connected to one of the larger BX cable wires. I am assuming the original fiber terminal plate in the motor is gone and the wires are just loose. It appears, to me, the motor was switchable by a drum switch or what ever type of DPDT switch at the other end of the BX cable. That would explain why all 4 motor wires run separately through the BX cable as in the connections in the photo.

For the smaller motor wires: black is 1, blue is 2, red is 3, yellow is 4. But then again, I may be completely wrong.

However, I would wire 1 and 3 together, black to red, and connect that pair to one line in wire. I would then connect 2 and 4 together, blue and yellow, and connect that pair to the other line input. Stand back and throw the switch and see if it works.

Knowing the history of the motor would also help. What was it originally used for?


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