Wiring A Barn With Romex
The most common types of romex are rated only for indoor use and come in 14 and 12 awg wire sizes.
Wiring a barn with romex. Nec 547 5 electrical distribution panels should be located in tack room or other area away from animal habitat and feed storage to protect overcurrent devices from dust and moisture or will require a nema 3r rated enclosure suitable for wet locations. Nm 14 2 romex has a black insulated wire a white insulated wire and a bare ground wire all 14 gauge. I think a wiring method such as metal clad is best for concealed locations and rnc rmc imc suitable mc and suitable emt for exposed wiring methods. You may want to consult an electrician and the building department for this job because wiring an agriculture building even though it isn t used for horses etc has special wiring methods that need to be followed.
Nonmetallic sheathed cable romex is not an approved wiring method for animal habitat animal care or feed storage areas. Normally the cables carry 10 12 or 14 gauge conducting wires for individual house circuits. So imo any unprotected wiring method in a barn is subject to damage. For instance romex is not one of the wiring methods you can use.