Wire pulling question

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  #1  
Old 09-17-04, 11:16 PM
sandsmarc
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Wire pulling question

I planned to run 4 #6 THHN/THWN conductors underground to my garage. It's about a 50 foot run and I already buried 1-inch rigid conduit. But now I'm looking at the conductors and I'm wondering if the conduit is too small. The pull will be 360 degrees including 2 hard right angles and 2 sweeping bends. So my question is if I should even entertain being able to pull 4 #6 conductors 50 feet through 360 degrees of 1-inch conduit. I planned a 60 amp capability for the garage, but I could really downgrade to smaller conductors and less capacity if I have to. Any thoughts?
 
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  #2  
Old 09-18-04, 09:19 AM
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Join Date: Jul 2003
Location: NE Ohio
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Your conduit fill is just under maximum allowed if conduit is rigid metal or PVC sch. 40, (over if your conduit is rigid PVC, sch. 80). You state 4-#6 wires, is one of these the EGC? If so, it could sized at 10 guage (minimum). That will gain some room. Also, you state there is 2 hard bends, are these LB connectors? if so, you do not have to pull through them, rather use them as a pull point. Dont forget wire pulling lube. Good luck with your project
 
  #3  
Old 09-18-04, 08:11 PM
sandsmarc
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Thanks very much for the response and suggestions. Yes, it's rigid steel conduit I'm pulling through, and the hard bends are LB's, so that should make it easier. I wasn't thinking when I bought the conductors, the EGC is #6, same as the rest. If I run into too much resistance, I'll buy some #10 to gain some room. Thanks again.
 
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