service entry horizontal encasement

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bobbymari

Senior Member
Location
los angeles ca
Question on encasement.
We have an apartment parallel feed we are going to Install. We are surface mounting down rear of bldg but then transitioning horizontally through a subfloor to existing meter room.
My question is for the concrete encasement where we go horizontally. Do we have to use pvc where encased or is emt ok as well since it is not in contact with the earth.
Thanks in advance
 

Dennis Alwon

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Staff member
Location
Chapel Hill, NC
Occupation
Retired Electrical Contractor
Art. 358.10 seems to allow it.

358.10 Uses Permitted.
(A) Exposed and Concealed. The use of EMT shall be
permitted for both exposed and concealed work.
(B) Corrosion Protection. Ferrous or nonferrous EMT, elbows,
couplings, and fittings shall be permitted to be installed
in concrete, in direct contact with the earth, or in
areas subject to severe corrosive influences where protected
by corrosion protection and approved as suitable for the
condition.
(C) Wet Locations. All supports, bolts, straps, screws, and
so forth shall be of corrosion-resistant materials or protected
against corrosion by corrosion-resistant materials.


The trick is to define corrosive influence
 

infinity

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Staff member
Location
New Jersey
Occupation
Journeyman Electrician
Right thanks. Dont see how it could have any corrosive influence. Standard 2x6 floor joist bay overhead. Thank u

If that meets the definition of corrosive influence then that would apply to most interior locations.
 
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