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  1. #1
    Join Date
    Nov 2008
    Posts
    24

    Default Spectrum 625 Ground Cable

    I was reading the Owners Manual for my Spectrum 625, I know - what a concept, and found on page 15 that the minimum Grounding Conductor Size is 10 AWG. My 625 has a 12 AWG Ground Cable.

    So for you Miller Techs:

    1. Is the Manual incorrect in specifying a 10 AWG cable or;

    2. Was the incorrect size cable installed on my 625?

    Miller is known for using wimpy grounding cables and clamps on their newer machines but this is interesting in that the cable supplied with the machine does not meet their printed specifications.

  2. #2
    Join Date
    Aug 2011
    Location
    Appleton Wisconsin
    Posts
    38

    Default Work Clamp VS Ground clamp

    The section you were reading in the manual is refering to the primary input power cable wich when it left the factory was a 10GA 3 conductor cable with a 6-50P plug on the end. The work clamp to wich I believe you are refering is a 6GA cable. If your machine is a Spectrum 625 and not a Spectrum 625X-TREME? On the Spectrum 625X-TREME the work cable is 12GA.But the primary power cable is still a 10 \ 3.
    Tim Lux
    Service and Aplications Specialist
    Miller Electric Mfg. Co

  3. #3
    Join Date
    Aug 2011
    Location
    Appleton Wisconsin
    Posts
    38

    Default Manual

    None the less I would still like to compliment you on reading the manual!!!
    Tim Lux
    Service and Aplications Specialist
    Miller Electric Mfg. Co

  4. #4
    Join Date
    Nov 2008
    Posts
    24

    Default

    Thanks Tim: I now see how I mis-read this section. I do have a 625 EX-Treme which has a 12 AWG work cable.

  5. #5
    Join Date
    Sep 2005
    Location
    Houston, TX
    Posts
    858

    Default

    Quote Originally Posted by Shark Bait View Post
    Thanks Tim: I now see how I mis-read this section. I do have a 625 EX-Treme which has a 12 AWG work cable.
    This is why reading the manual is a bad idea.

    You read that a good ground is important with a plasma cutter, but the better ones seem to come with thinner cables.

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