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