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Thread: When to use Stranded insted of Solid Service bonding

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    When to use Stranded insted of Solid Service bonding

    Is there something in the code book that states after a curtain wire size if going through any wire way that you need to use stranded wire for grounding and bonding? I did a service and used #8 solid for my bonding and grounding from my meter housing to my Panel. I was told that after a curtain wire size it needed to be stranded. But was not told what code reference to use. Any help.

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    Code accepts both for grounding, any size. 250.62

    Conductors in raceways max at #10 solid. 310.106.(C)
    "Electricity is really just organized lightning." George Carlin


    Derek

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    I've never used solid for GEC's or bonding jumpers. I've heard of guys running #6 or #4 solid but I just don't get it.
    Rob

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    All responses based on the 2014 NEC unless otherwise noted

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    I know a wireway is a raceway but it seems ridiculous to call someone on 310.106
    They say I shot a man named Gray and took his wife to Italy
    She inherited a million bucks and when she died it came to me
    I can't help it if I'm lucky



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    Quote Originally Posted by infinity View Post
    I've never used solid for GEC's or bonding jumpers. I've heard of guys running #6 or #4 solid but I just don't get it.
    Quite common in resi, not so much in commercial IME.
    "Electricity is really just organized lightning." George Carlin


    Derek

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    Quote Originally Posted by jumper View Post
    Quite common in resi, not so much in commercial IME.
    Around just about everyone uses stranded even in residential.
    Rob

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    All responses based on the 2014 NEC unless otherwise noted

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    if you are running in conduits, doesnt it make sense to use stranded even if you are using 16 guage wire? Much less larger sizes? So they bend in the bends rather than scratch off the insulation?

    Or is there a requirement to use solid at certain sizes?

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    Quote Originally Posted by Adamjamma View Post

    Or is there a requirement to use solid at certain sizes?
    The NEC never mandates solid.
    "Electricity is really just organized lightning." George Carlin


    Derek

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    Thank You.

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    Quote Originally Posted by jumper View Post
    The NEC never mandates solid.
    I think they do for pools.
    Rob

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    All responses based on the 2014 NEC unless otherwise noted

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