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09-30-2011, 06:23 PM
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#1
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Member
Join Date: Sep 2011
Posts: 218
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Is it ok to put line and load in the same conduit?
Hey guys!! Today for my entire 8 hour shift I spent jumping out lights in MC cable. The feeds was done in conduit. On 2 lights in particular, the new lead man had me jump them threw the conduit where the feeds were. I don't think this is code, and I can remember hearing that we don't mix line and load in a raceway so I explained my discomfort with the order that he gave me, but he told me that "it was fine". So I did as I was told, but I think it's wrong, and would like to find the article to support it. Am I making since to you guys, and if so, do you know the article to back me up?
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09-30-2011, 06:46 PM
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#2
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Member
Join Date: May 2009
Location: Easton MD
Posts: 1,827
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Is it ok to put line and load in the same conduit?
Sunny, other than service conductors, line and load conductors for branch circuits and feeders can share a raceway.
Service, no.
230.7 Other Conductors in Raceway or Cable. Conductors
other than service conductors shall not be installed in
the same service raceway or service cable.
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09-30-2011, 06:46 PM
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#3
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Licensed electrician
Join Date: Sep 2007
Location: Maryland
Posts: 6,008
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Is it ok to put line and load in the same conduit?
Try looking so you can learn how to use the code book and gain greater familiarity with the rules. Remember, we will help those that help themselves.
What to you think the issue would be if the conduit were shared?
__________________
Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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The Following User Says Thank You to Jim Port For This Useful Post:
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09-30-2011, 06:52 PM
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#4
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Member
Join Date: Sep 2011
Posts: 218
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Is it ok to put line and load in the same conduit?
Quote:
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Originally Posted by Jim Port
Try looking so you can learn how to use the code book and gain greater familiarity with the rules. Remember, we will help those that help themselves.
What to you think the issue would be if the conduit were shared?
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Well I think it's not a good practice because, if it's a trunk line, let it remain a trunk line. I don't want to confuse the next electrician
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09-30-2011, 06:55 PM
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#5
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Member
Join Date: Sep 2011
Posts: 218
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Is it ok to put line and load in the same conduit?
Quote:
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Originally Posted by Code05
Sunny, other than service conductors, line and load conductors for branch circuits and feeders can share a raceway.
Service, no.
230.7 Other Conductors in Raceway or Cable. Conductors
other than service conductors shall not be installed in
the same service raceway or service cable.
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Ok well i see that I was wrong, and I just learned something. Thanks Code05!
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09-30-2011, 07:00 PM
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#6
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Member
Join Date: May 2009
Location: Easton MD
Posts: 1,827
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Is it ok to put line and load in the same conduit?
Quote:
Originally Posted by Sunny B.
Ok well i see that I was wrong, and I just learned something. Thanks Code05!
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Sunny, what is a switch loop?
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09-30-2011, 07:05 PM
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#7
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Member
Join Date: Sep 2011
Posts: 218
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Is it ok to put line and load in the same conduit?
Quote:
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Originally Posted by Code05
Sunny, what is a switch loop?
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A "switch loop" is when you bring the "feed" into the light, then down to the switch, then back to the light on the "switch leg"
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09-30-2011, 07:07 PM
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#8
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Member
Join Date: Mar 2011
Location: Central Florida
Posts: 614
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Is it ok to put line and load in the same conduit?
essentially the same thing as you just did. line down to the switch and load back
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09-30-2011, 07:07 PM
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#9
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Member
Join Date: May 2009
Location: Easton MD
Posts: 1,827
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Is it ok to put line and load in the same conduit?
Quote:
Originally Posted by Sunny B.
A "switch loop" is when you bring the "feed" into the light, then down to the switch, then back to the light on the "switch leg"
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So, line and load are in the same conduit/cable?
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09-30-2011, 07:10 PM
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#10
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Member
Join Date: Sep 2011
Posts: 218
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Is it ok to put line and load in the same conduit?
Quote:
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Originally Posted by Code05
So, line and load are in the same conduit/cable?
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"Laughing" ok your right. I didn't think of it that way. Good point!
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09-30-2011, 07:18 PM
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#11
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Member
Join Date: May 2009
Location: Easton MD
Posts: 1,827
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Is it ok to put line and load in the same conduit?
Quote:
Originally Posted by Sunny B.
"Laughing" ok your right. I didn't think of it that way. Good point!
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You are learning, that is good. 
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09-30-2011, 09:10 PM
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#12
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Electrician
Join Date: Aug 2008
Location: Near Jackson Michigan Area
Posts: 1,449
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Is it ok to put line and load in the same conduit?
Sunny, also look at 300.3(C), (1) & (2). You’ll see that not only can you do what you did today with ‘line & load’, you can have conductors from different panels and voltages, etc. in the same conduit, boxes, equipment, etc. Some limitations of course.
__________________
Kyle
Just because you can, doesn't always mean you should
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