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#21784 - 02/10/03 07:29 PM Romex in EMT  

Can you place romex in EMT? Where in the code does it say you can or cant? I have asked this question to 3 electricians and got 3 different answers. Its a 40' run of 1/2"emt with 10/3 romex going into it. Thanks for any help.

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#21785 - 02/10/03 07:48 PM Re: Romex in EMT  
sparky  Offline
Joined: Oct 2000
Posts: 5,303

check out page 70-617 of the 02' , notes to tables #9

btw~ welcome to ECN
[Linked Image]

#21786 - 02/10/03 07:59 PM Re: Romex in EMT  
Bjarney  Offline
Joined: Apr 2002
Posts: 2,527
West-Southern Inner-Northeast ...
99NEC Ch.9 Notes to Tables “A multiconductor cable of two or more conductors shall be treated as a single conductor for calculating percentage conduit fill area. For cables that have elliptical cross sections, the cross-sectional area calculation shall be based on using the major diameter of the ellipse as a circle diameter.”

Not sure if this would be the case for “Over 2 Wires: 40%” or “1 Wire: 53%” fill.

10/3 NM-B will probably need larger than ½-inch tubing.

#21787 - 02/10/03 08:24 PM Re: Romex in EMT  
lighthouse  Offline
Joined: Jan 2003
Posts: 134
philadelphia pa 19125
WildTurkey101...( I have asked this question to 3 electricians and got 3 different answers.) what was their answers.

is the 10/3 cable being installed in the conduit for protection against physical damage.?

sparky ....what page. [Linked Image]

#21788 - 02/10/03 08:40 PM Re: Romex in EMT  
frenchelectrican  Offline
Joined: Feb 2003
Posts: 939
Wi/ Paris France { France for ...
wildturkey :

for 10/3 romax cables(wires) you have to run it in 3/4 emt conduct. btw 1/2 inch conduct wont fit with 10/3 belive me it is a pain in the butt with that but i did check on nec 99 version it say same way check the area fill for conduct

merci marc

Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)

#21789 - 02/10/03 09:29 PM Re: Romex in EMT  

Lighthouse, the answers were "yes you can", "no you cant", and "what the heck are you talking about". The 10/3 is running down the side of a house and I was going to place it in some EMT. I just wanted to make sure I wasnt breaking any code rules. Thanks for all the quick replys.

#21790 - 02/10/03 10:10 PM Re: Romex in EMT  
Jim M  Offline
Joined: Aug 2001
Posts: 457
Chestertown, MD, USA
Is this running down the inside or outside of the house?

#21791 - 02/10/03 11:14 PM Re: Romex in EMT  

Jim, it is running along the outside of a house.

#21792 - 02/11/03 07:51 AM Re: Romex in EMT  
tsolanto  Offline
Joined: Sep 2002
Posts: 131
Long Island NY
334.15 2002 code

#21793 - 02/11/03 08:07 AM Re: Romex in EMT  
sparky  Offline
Joined: Oct 2000
Posts: 5,303
just to make your morning i'll ask if if needs to be grounded....

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