chapter 9&10

Some portable appliances use double insulation in place of grounding to provide shock protection to users. Double-insulated appliances normally have ____ power cords and attachment plug caps.

2-wire

The NEC permits all bathroom receptacles to be on a single ____ branch circuit so long as it doesn't supply other loads.

20 ampere

Receptacle outlets must be installed in any wall space ____ or more in width.

24 in. (600 mm)

Ceiling-suspended paddle fans must not be located within a zone measured ____ horizontally and ____ vertically from the top of the bathtub rim or top of a shower stall threshold.

3ft (900mm), 8ft (2.5m)

The outlet box or outlet box system of a ceiling-suspended fans must not support more than ____ pounds must.

70

With ____ products, it takes two failures to create a shock hazard to the user.

Double insulated

Recessed or surface-mounted luminaires and recessed exhaust fans ____ be located within the restricted zone near the bathtub.

May

A bathroom is defined as "an area including a basin, with one or more of which items?

Toilet, tub or bidet

Is a fixed glass panel considered wall space?

Yes

According to NEC 406.9, receptacles ____ permitted to be installed in bathtub and shower spaces.

are not

Sliding glass panels ____ considered to be wall space, the same as any other interior or exterior door.

are not

As defined in Article 100, a bathroom is required to have a ____.

basin

The selection of outlet boxes and switch boxes is made by the electrician. These decisions are based on Code requirements, space allowances, good wiring practices, and ____.

common sense

NEC 410.10(D) ____ lighting track to be located within a zone measured 3 ft (900 mm) horizontally and 8 ft (2.5 m) vertically from the top of a bathtub rim or top of a shower stall threshold.

does not permit

During the winter, it is suggested that a paddle fan should ____.

draw air up

Some ceiling fan/light units have one lamp socket, whereas others have ____ lamp sockets.

four or five

When installing a ceiling paddle fan, the outlet box must be ____.

listed and marked as acceptable for fan support

A raised plaster cover (often called a plaster ring or mud ring) is permitted to increase the maximum number of conductors permitted in an outlet box when it is ____.

marked with its cubic-inch volume

Is a sliding glass door considered wall space?

no

Ceiling fan speed can be controlled by a ____.

pull chain on the fan; speed control mounted in a wall box; remote control similar to TV/VCR type

Which of the following is NOT a reason that ceiling fans must be specially supported?

safe grounding

A light dimmer ____ be used as a speed control for a ceiling fan or other motor.

should not

Install luminaires listed for ____ locations if they will be subject to shower spray.

wet

Is a fixed room divider considered wall space?

yes