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A commercial building , is a building that has only commercial offices in it.
It depends on your local building code.
If the wire is to be buried you'll need to use "direct burial" wire; if you're staying inside the house, just under the floor and above the concrete or dirt, standard romex should be fine.
Assuming 220 volts service 5000/220 = 22.72 Amps. That equates to 10 AWG Romex.
THHN is a heat resistant thermoplastic insulated conductor, usually a single conductor. Romex is a brand name for a nonmetallic sheathed cable, it has multiple conductors inside, the insulated ones are insulated with THHN insulation.
A commercial building , is a building that has only commercial offices in it.
A commercial building , is a building that has only commercial offices in it.
Depends on the state you live in and the local regulations.
It depends on your local building code.
Prattsville Commercial Building was created in 1824.
Bain Commercial Building was created in 1875.
for use byprofessionals like in tool http://wiki.answers.com/Q/FAQ/2639-89smeans contractors and roofers ,builders ect. or by a business. when a company like wal-mart, Costco builds a building it is called a commercial building
Oregon Commercial Company Building was created in 1890.
A commercial building is simply any structure a private business operates out of. A factory, an apartment building, a retail or grocery store, an auto repair shop are all commercial buildings. So it depends how many employees the business in the building has. An emply commercial building has no employees.
Your answer depends on who's asking. If the only occupants of the building are residents, some may consider it a high-density, multi-family housing building. Given the limitations of some insurance databases, or municipal code books, the building may be considered commercial. If there are commercial enterprises -- say at street level -- with residences above, then the building is considered a mixed-use building.
According to the 2008 National Electrical Code book (US NEC): Section 334.10 Uses Permitted. Type NM (NM is the proper term for the brand name product Romex) cables can be used in: (1) One- and two-family dwellings. (2) Multifamily dwellings when built as a Type III, IV, or V construction (3) Other structures when built as Types III, IV, and V (4) Cable trays in Type III, IV, or V structures [Types of building construction and occupancy classification are defined in NFPA 220-2006, Standard on Types of Building Construction] So yes, Romex can be used in a commercial building. There are other code sections that may apply to your particular installation, if you are unfamiliar with the code book and are doing electrical work you should take a class on the NEC. An improper installation could lead to personal injury or property damage. Electrical work should only be done by a qualified person. The NEC defines a qualified person as "One who has skills and knowledge related to the construction and operation of the electrical equipment and installations and has received safety training to recognize and avoid the hazards involved."
Use a # 12 exterior grade or romex