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-   -   230 volt Motor wiring (https://www.askmehelpdesk.com/showthread.php?t=248972)

  • Aug 14, 2008, 04:14 PM
    jadkins11
    230 volt Motor wiring
    I have a 6 hp 230 volt air compressor motor that I have wired on a twin 20 amp breaker with a 10/2 wire. I cannot get the motor to start, I have took it off and had it checked and it works fine, just not when I wire it up in my garage. I do have power at my 10/2 wire, and cannot understand why it won't start. Any suggestions?
  • Aug 14, 2008, 04:27 PM
    KISS
    Is it really a "twin"/"tandem" breaker. i.e. Independent breakers or is it

    A "ganged" breaker" where the actuator is connected by a bar?

    EDIT: Fixed per Washington's response
  • Aug 14, 2008, 04:32 PM
    jadkins11
    It is a Federal twin breaker... No bar connections
  • Aug 14, 2008, 05:06 PM
    Washington1
    Can you list the name plate information .
  • Aug 14, 2008, 05:11 PM
    Stratmando
    Do you have 240 volts to motor connections?
  • Aug 14, 2008, 05:14 PM
    Washington1
    Quote:

    Originally Posted by KeepItSimpleStupid
    Is it really a "twin" breaker. i.e. Independent breakers or is it

    a "Tandem breaker" where the actuator is connected by a bar?

    Twin and Tandem are the same. Most know it as Tandem.
  • Aug 14, 2008, 05:16 PM
    Washington1
    Erased comment--to wait for response!
  • Aug 14, 2008, 05:17 PM
    jadkins11
    Name plate says 14 amps 230 volt...
  • Aug 14, 2008, 05:19 PM
    Washington1
    Quote:

    Originally Posted by jadkins11
    Name plate says 14 amps 230 volt...

    It should have more than that. You listed 6HP in your first--you had to get this from some where. Please list everything from your name plate.

    Just curious!
  • Aug 14, 2008, 05:56 PM
    KISS
    OK wrong words:

    Tandem - two separate independently acuated breakers in one breaker spot.
    Ganged - 1 actuator, 2 breakers
  • Aug 14, 2008, 06:01 PM
    KISS
    Does your breaker look something like this: http://doitbest.com/Fuse+Boxes-Squar...sku-528227.dib

    Or is it two different breakers in the panel?

    Nonetheless, not having a bar between the poles makes it the wrong breaker.
    You could have 0V between these and 120 between each pole and ground. That would make it not work.
  • Aug 14, 2008, 07:08 PM
    Washington1
    Quote:

    Originally Posted by KeepItSimpleStupid
    Does your breaker look something like this: http://doitbest.com/Fuse+Boxes-Squar...sku-528227.dib

    or is it two different breakers in the panel?

    Nonetheless, not having a bar between the poles makes it the wrong breaker.
    You could have 0V between these and 120 between each pole and ground. That would make it not work.

    I agree!

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