Exam 13: Lighting Branch Circuit for the Living Room

What are the two basic types of dimmers?

A receptacle below a 4-way switch in the corner of a living room is required because the Code requires that a receptacle be installed in any wall space ____ in. or more in width.

For track lighting installed in homes, it is not necessary to add ____________________ for the purpose of branch circuit, feeder, or service-entrance calculations.

Describe two features of electronic dimmers.

In addition to being fastened to the outlet box, the track for track lighting is generally fastened to the ceiling with ____.

Lighting track ____ permitted to be installed within a zone extending 3 feet horizontally and 8 feet vertically from the top of a bathtub rim.

Electronic dimmers use triacs to chop the ac sine wave, so some incandescent lamps might ____ because the lamp filament vibrates.

The most common type of dimmer used in residential applications is rated ____ watts, 125 VAC, 60 hertz.

Lighting track is not permitted to be installed less than ____ above a finished floor unless it is protected against physical damage, or if the track is of the low-voltage type operating at less than 30 volts rms open-circuit voltage.

Electronic dimmers for use only to control incandescent lamps are marked with a(n) ____________________ rating.

Lighting track shall be supported twice if the track is not more than ____________________ ft and shall have one additional support for each additional ____________________ ft track.

Lighting track in residential installations must not be installed ____.

Two popular types of electronic dimmers are ____.

Portable lighting track must meet which of the following requirements?

The Code section that prohibits running track lighting through walls or partitions is NEC ____________________.

Lighting track in residential installations shall not be cut to length in the field unless permitted by the ____.