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Is there an amendment that allows you to run romex above a drop ceiling in a commercial building?
 

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Small Potatoes
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Is there an amendment that allows you to run romex above a drop ceiling in a commercial building?
I don't think so.

334.12 Uses Not Permitted.
(A) Types NM, NMC, and NMS. Types NM, NMC, and NMS cables shall not be permitted as follows:
(1) 
In any dwelling or structure not specifically permitted in 334.10(1), (2), and (3)

(2) 
Exposed in dropped or suspended ceilings in other than one- and two-family and multifamily dwellings
(3) 
As service-entrance cable
(4) 
In commercial garages having hazardous (classified) locations as defined in 511.3
(5) 
In theaters and similar locations, except where permitted in 518.4(B)
(6) 
In motion picture studios
(7) 
In storage battery rooms
(8) 
In hoistways or on elevators or escalators
(9) 
Embedded in poured cement, concrete, or aggregate
(10) 
In hazardous (classified) locations, except where specifically permitted by other articles in this Code.
 
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