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220/120 motor question, can't tell which one to use!

1443 Views 6 Replies 5 Participants Last post by  qbert
I got a air compressor at an estate sale that has a 3/4 hp motor. The tag on the motor is pretty much worn off, but it indicates it's a 115/230V. I can't tell which wires are the lead for the 115. Is there a way to determine which leads to use for 120? I've googled model number and frame number of the GE motor but I couldn't find anything.
Any help would be appreciated!
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There are 2 wires going into the motor, landed on a terminal board. One wire is on the terminal is labeled 2 (which appears to be connected to 3 internally) and the other is on #4.
Now that I look at it, it doesn't appear that there is any place else to land wires on the terminals.
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