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  1. #1
    Join Date
    Jun 2014
    Posts
    2

    Default What size wire for 220 circuit for Miller 211

    I'm getting the miller 211 and I need to wire in a 220 outlet for it. I need to know what size wire to use. Its about a 50' run Thanks

  2. #2
    Join Date
    Feb 2012
    Location
    Wa
    Posts
    542

    Default

    This has been discussed many times. You will find lots of info by searching.

  3. #3
    Join Date
    Sep 2009
    Location
    Colorado
    Posts
    202

    Default Manual

    Quote Originally Posted by ehofer1 View Post
    I'm getting the miller 211 and I need to wire in a 220 outlet for it. I need to know what size wire to use. Its about a 50' run Thanks
    The manual should answer that question. It can be downloaded from the resources link at the top of the page.

    Richard

  4. #4
    Join Date
    Jan 2014
    Location
    Northern West Virginia
    Posts
    37

    Default

    8 AWG with a 40 amp breaker because the machine draws almost 30 amps.

  5. #5
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,383

    Default

    The manual is confusing at best. Ignore the 14 and 30,,, with a wire 12 or better you can breaker this machine to 50A,,, but my tailor made circuit for one is 10/30.

  6. #6
    Join Date
    Apr 2013
    Location
    metro Detroit
    Posts
    78

    Default

    I ran mine off of 75' 8 gage wire and a 40 amp breaker. I think the book called for a 50 amp breaker

  7. #7
    Join Date
    Sep 2005
    Location
    Houston, TX
    Posts
    890

    Default

    Quote Originally Posted by bigtow30t View Post
    I ran mine off of 75' 8 gage wire and a 40 amp breaker. I think the book called for a 50 amp breaker
    My MM210 only calls for a 40 amp breaker.

  8. #8
    Join Date
    Oct 2006
    Location
    Illinois
    Posts
    597

    Default

    I would run #6. That way when you upgrade you will have large enough wire. Price the difference between # 6 and 8

  9. #9
    Join Date
    Jun 2014
    Posts
    8

    Default

    I don't believe #12 wire should be on a 50 amp breaker, and I don't think it's good for over 20 amp breaker but not sure.

    I just wired mine with #8 as I will probably get get something bigger down the road.

    Breaking the above mentioned rule, I did wire a 110 outlet onto one of the legs in the box so I don't have to run and additional ext. chord for the grinders.

  10. #10
    Join Date
    Dec 2007
    Location
    Los Angeles
    Posts
    2,845

    Default

    Quote Originally Posted by Castiron View Post
    I don't believe #12 wire should be on a 50 amp breaker, and I don't think it's good for over 20 amp breaker but not sure.

    I just wired mine with #8 as I will probably get get something bigger down the road.

    Breaking the above mentioned rule, I did wire a 110 outlet onto one of the legs in the box so I don't have to run and additional ext. chord for the grinders.
    It's muddy for sure on this BUT it is allowable under certain circumstances.
    Even the Miller manual has 14g wire on a 30amp as minimum wiring if you follow the NEC art 630 guidelines.

    As Sberry mentioned the manual causes lots of confusion- that's why he stated 10g 30amp is a really good fit. Doesn't break the bank on wire costs and easy to work with.
    Ed Conley
    http://www.screamingbroccoli.net/
    MM252
    MM211
    Passport Plus w/Spool Gun
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    SO 2020 Bender
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