Can You Use Romex in a Commercial Building

Can I use Romex in an apartment building. Things may have changed since.


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Determining allowable height and area of a building and therefore type of construction is a difficult thing.

. Most industrial and commercial buildings are permitted to be built of combustible. In this regard does commercial wiring have to be in conduit. You can even install romex in type 1 2 construction if its installed in conduit.

You can use Nm in a six story apt bldg for example as. Romex is allowed in commercial buildings as long as they are type 34 5 construction. Romex is allowed in commercial buildings as long as they are type 34 5 construction.

I could use romex in a 200000 sqaure foot building if I meet some are exceptions in the building code. Theres the violation the NM romex is not allowed above a suspended ceiling in a commercial application. In respect to this can Romex be used in commercial buildings.

Click to see full answer. Click to see full answer. I have a job to do in a commercial single story building wiring some outside AC units and some air handlers.

You can even install romex in type 1 2 construction if its installed in conduit. Even though you can use romex in the walls any cable above the ceiling in a common area cannot be romex. This building was built in the 50s and as under went a few additions over the years.

Romex in a commercial building. I cant quote a code reference as to why you could not but I have done so as long as the new wiring that I installed originated from the panel with no extensions of existing circuits. The wiring method used in the building when it was built is Romex.

Romex is allowed in commercial buildings as long as they are type 34 5 construction. And 33410 uses permitted with the Types I through V building construction types. There is drop ceiling in the tenant spaces and no sheetrock above just insulation and then the attic.

Click to see full answer. You can even install romex in type 1 2 construction if its installed in conduit. Romex is allowed in commercial buildings as long as they are type 34 5 construction.

Customer is cost conscious and thought since it was all wood framing and absolutely no drop ceiling anywhere that Romex could be used. You can even install romex in type 1 2 construction if its installed in conduit. Use of NM cable in commercial buildings.

What you need is the blessing of the building official. 33410 3 allows romex in commercial buildings that are permited to be of type III IV and V construction. If you use romex in this commercial building and it has metal studs dont forget the stud bushingsDid a building where the AHJ overlooked the lack of and boy did we pay after that sheet rock was onThe rockers must have been drunk using the romex like the rope between turnbuckles on a WWF wrestling matchWhat a messThis was not a repeat customer.

Romex is allowed in commercial buildings as long as they are type 34 5 construction. I keep running up against electricians and inspectors that claim that NM cable romex cannot be used in commercial buildings. Romex is allowed in commercial buildings as long as they are type 34 5 construction.

I usually run MC for all my lighting and feed as much as I can through the walls But for the runs I cannot I use MC to the first box in the walls then switch to romex from there. I am aware of NEC 33412. Correspondingly can you use Romex in commercial wiring.

The NFPA 220 wont do anything because it isnt adopted as a building code. There are no plans to speak of for this job its simply a commercial tenant wanting a few more outlets on a wall. NEC 33412 Uses not permitted A2.

You can even install romex in type 1 2 construction if its installed in conduit.


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