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by timmp, September 10
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#56511 09/23/05 11:33 AM
Joined: Feb 2002
Posts: 56
D
drgnz23 Offline OP
Member
Okay I work in a laboratory enviroment where i have to install two new receptacles in a room. Is it legal to run flex down the wall or do i have to run EMT? Maybe about forty feet long? Please help

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#56512 09/23/05 12:46 PM
Joined: Mar 2005
Posts: 399
A
Member
Not a Code violation unless exposed to physical damage.
Also refer to Section 250.118(6) Lengths over six feet MUST have a grounding conductor.
Alan--


Alan--
If it was easy, anyone could do it.
#56513 09/23/05 02:27 PM
Joined: Feb 2002
Posts: 56
D
drgnz23 Offline OP
Member
Always run a grounded conductor.
Just having a discussion with my leadman and he thinks we should run EMT in walls. Without ripping away walls Flex should be legal to run. He swears that in our enviroment flex shouldnt be used. I cant find anything that says we cant.

#56514 09/23/05 04:15 PM
Joined: Oct 2000
Posts: 2,749
Member
EMT (Thinwall) is allowed to be fished without couplings.

Quote
358.30(A)

Exception No. 2: For concealed work in finished buildings or prefinished wall panels where such securing is impracticable,
unbroken lengths (without coupling) of EMT shall be permitted to be fished.


Joe Tedesco, NEC Consultant
#56515 09/23/05 10:36 PM
Joined: Jun 2004
Posts: 92
P
Member
How exactly is the EMT supposed to be held together without couplings?
~Peter

#56516 09/23/05 11:13 PM
Joined: Feb 2005
Posts: 20
E
Member
EMT is 10' long top plate to bottom plate(wall interior) is less than 8' no coupling concealed.
bill


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