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Hi I have a farm duty 1/2 hp dual voltage, single phase, capaciter electric motor. I simply want to attach a plug for 110. My problem is there are 9 wires colored and Labeled as follows Y/Black- P1 Br- P2 Blue - T1 White -T2 Or.- T3 Y- T4 Black - T5 Gray -T6 Red T8 I do not know how to wire this any help would be appreciated

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There is normally a name plate on the inside of the cover that shows high and low voltage connections without that the connections could be a couple different ways. Have a look Im sure its there

Posted on Jan 21, 2009

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Why does condenser have a dual capacitor and a single capacitor in the same unit?

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How do you wire a 240volt 1.5hp single phase electric motor that has a capaciter involved?

You don't give enough information for a specific answer. The following information generally applies. There should be a wiring diagram under one of the covers or on the metal name tag. Often there are two screw terminals inside the motor's wiring box, along with a bunch of push-on "spade" terminals used to switch the wiring for 120/240 or maybe 240/480V. The screw terminals are most likely for the power input connection. It doesn't matter which wire goes where on a single phase motor. But you need to know the motor is "set up" for the proper voltage (and rotation), which is why you need the wiring diagram. You can search for the diagram on line. The capacitor (if only one) usually connects in electrical series with the "start winding" both of these are then often switched off through a centrifugal switch once the motor is up to speed. These are then connected in parallel with the run winding(s). (Some motors have both "start" and "run" capacitors). Of the two windings, start, and run, the start winding usually has more resistance. If the motor has the ability to operate at more than one voltage this can add two more windings and up to four more wires to the puzzle, it can then be difficult to determine the proper place for all the wires if they have been removed or mis-connected. Electricity is my profession, yet I have not been able to figure out all the motor windings I've encountered while using the above information and an ohm meter. Unless you are a pro (in which case you probably wouldn't have asked this question), or if all this doesn't make sense, you might try finding a motor repair/rebuild shop near you and have them show you the proper wiring. Technically a motor this large should be installed by a licensed electrician.

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The different types of fan motors available include:

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