wireway fill

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ibew236

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My foreman wants me to stuff 26 4/0 copper THHN conductors into a 6x6 metal wireway. He says you can put up to 30 without derating. I say 20% of cross section = 22 4/0 max. Is there anyway we can install these conductors in this wireway and not violate NEC.
 
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jgriffin

Member
Re: wireway fill

You're RIGHT,He's Wrong. He needs Someone To Explain 376.22 to him. If he won't listen go to the GF,or Steward before giving in. Griff.
 
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a.wayne3@verizon.net

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Re: wireway fill

i havent done the math but that seems like a square peg in a round hole to me
 
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ibew236

Member
Re: wireway fill

thank you for your response. Unforunately I am working in an area of the country(upstate NY) where electrical inspections are a joke and the contractors take advantage of this fact. I am put in a tuff position many times for sticking to NEC, in other words its more profitable for contractor to hire "electricians" who don't know or follow NEC. I know this may be hard for some of you to believe but it is true. I been on many jobs and have seen the foreman put inspections stickers on without the "inspector" having ever been to the site!
 
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jgriffin

Member
Re: wireway fill

Been there and Done that. Your choices are to Tough it out somehow or go sign the book.(I'd tough it out.) Griff.
 
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