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#194707 - 06/16/10 04:26 PM use branch circuit  
watersparkfalls  Offline
Member
Joined: Mar 2005
Posts: 220
Washington...Not DC
I have a wellhead 320 feet from pump house, I am using USE #4 aluminum in a trench not in a raceway...should I tape the wires every 20 feet or so to ensure the cancelling effect or isn't this an issue?
Thanks, H20

Last edited by watersparkfalls; 06/16/10 04:26 PM.

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#194710 - 06/16/10 06:02 PM Re: use branch circuit [Re: watersparkfalls]  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 830
Michigan
300.3 (B) I don;t think the taping is a requirement.


#194711 - 06/16/10 06:14 PM Re: use branch circuit [Re: watersparkfalls]  
KJay  Offline
Member
Joined: Nov 2007
Posts: 763
MA, USA
Isn't the USE a triplex assembly or something similar that is already factory twisted?
If not, I can't say that I've ever pulled individual USE conductors before, but I think the twisting is more so that it can be considered a cable assembly and for installation convenience.
Years ago, where I worked at the time, it was common to direct bury individual service conductors and we never had any issues with not twisting the conductors in the trenches, although we did basically lay them right on top of one another anyway.
I couldn't see where it would hurt to twist them though if you wanted.


#194717 - 06/17/10 12:00 AM Re: use branch circuit [Re: KJay]  
watersparkfalls  Offline
Member
Joined: Mar 2005
Posts: 220
Washington...Not DC
Thanks, KJ and Yoop. They are single strands of AL USE wire.



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