Exam 3: Determining the Required Number of Branch Circuits, Lighting Outlets, Receptacle Outlets

Wall receptacles in a habitable room must be placed so they are no further than ____ feet from any point along the wall.

The NEC defines a ____ as "the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s)."

The Code specifies which rooms in a dwelling are required to have switched lighting outlets or switched receptacles. Choose yes (switch required) or no (switch not required) for the following areas: -Crawl space (contains equipment that requires servicing)

A continuous load shall not exceed ____ percent of the rating of the branch circuit.

The general lighting load for a dwelling is based on the ____.

In construction of one- and two-family dwellings, the electrical circuits are usually designed by the ____.

The minimum lighting load requirement for dwelling units is ____ volt-amperes per square ft (0.093 m³).

The Code specifies which rooms in a dwelling are required to have switched lighting outlets or switched receptacles. Choose yes (switch required) or no (switch not required) for the following areas: -Bathroom

Calculate the minimum number of 15-ampere lighting branch circuits required in a residence of 1,850 square feet.

Explain the difference between a receptacle and a receptacle outlet.

With the exception of ____, the 20-ampere appliance circuits required by NEC are permitted to serve no other loads.

Most public service commissions require that the voltage for residential services be held to ± ____ percent of the nominal voltage as measured at the service point.

For continuous loads, the branch-circuit rating, the conductors, and the overcurrent device shall not be less than ____ percent of the rating of the equipment.

List two cases where receptacles may be installed below countertops.

The Code specifies which rooms in a dwelling are required to have switched lighting outlets or switched receptacles. Choose yes (switch required) or no (switch not required) for the following areas: -Attic (not intended for storage)

Where there are _________________________ or more on an interior stairway, a wall-switch control of the stairway lighting must be provided on each floor level and any level that has an entryway.

How is track lighting load in residences calculated?

Explain what is meant by a nominal voltage rating.

Receptacles in unfinished basements must be ____________________ protected.

What determines the rating of a branch circuit?