What electrical code is universally used in the united state

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What electrical code is universally used in the United States?

Identify three types of equipment that may require three-phase power.

Identify the type of cable that is permitted in single- and multifamily dwelling units but that cannot be used underground, nor in buildings that are more than three stories above grade, nor in commercial garages, motion picture studios, theaters, places of assembly, elevator hoist ways, and other corrosive or hazardous locations.

Identify the type of cable permitted in direct-burial applications such as a feeder or branch circuit provided it is protected by an overcurrent protection device (fuse or circuit breaker) before it leaves the panelboard.

Reference no: EM13248142

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