Chapter 9-14
When installing a ceiling paddle fan, the outlet box must be ______
listed and marked as acceptable for fan support
For track lighting installed in homes, it is not necessary to supply additional _____ for the purpose of branch circuit, feeder, or service entrance calculations
loads
Ceiling suspended fans must not be located within a zone measured ____ horizontally and _____ vertically from the top of the bathtub rim or top of a shower shall threshold
3 ft (900 mm); 8 ft (2.5 m)
A doorjamb switch is usually mounted about _____ feet above the floor, on the inside of the 2x4 framing on the hinge side of the closet door.
6 ft
Fixed glass panel
Receptacle required
The receptacle for a kitchen refrigerator is permitted to be supplied by an_________ branch circuit.
an individual 15 or 20 ampere
According to NEC 406.9, receptacles _____ permitted to be installed in bathtub and shower spaces.
are not
Most duplex receptacles can be changed into "split-wired" receptacles by ___.
breaking off the small metal tab on the terminals
When a luminaire is connected to the conductors, the outlet id referred to as a ___ outlet
lighting
Lighting track in residential installations are not permitted to be cut to length in the field unless permitted by the
manufacturer
When designing a home office, you could consider roughing in more will receptacles than the NEC
minimum
A lighter dimmer _____ be used as a speed control for a ceiling fan or other motor
should not
Two popular types of electronic dimmers are
slide and rotate
The sound level rating used to define fan noise is expressed in
sones
Countertop receptacles must be supplied by at least______ ampere small appliance branch circuits.
two 20
The 125 volt, 20 ampere receptacles installed to serve kitchen countertops are required to have GFCI protection ______
under all circumstances
The Code section that prohibits running track lighting walls or partitions is NEC
410.151 C 7
Open front porch
Damp location
Fixed room divider
Receptacle required
House side wall
Wet location
Recessed or surface mounted luminaires and recessed exhaust fans ____ be located within the restricted zone near the bathtub
may
For hallways of _________ ft, or more in length, it is required to have at least one receptacle outlet.
10
The NEC permits all bathroom receptacles installed to serve a kitchen countertop is required to
20 ampere
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
24
Receptacle outlets must be installed in any wall space ___ or more in width
24 in. (600 mm)
Hanging light fixtures must be kept at least ______ feet horizontally and _______ feet vertically from the edge of the tub rim
3,8
Lighting track in residential installations are required to be supported twice if the track is not more than _______ ft, and shall have one additional support for each additional ______ track
4
Lighting track in residential installations are 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
5 ft
The most common type of dimmer used in residential applications is rated ____ watts, 125 VAC, 60 hertz.
600
The outlet box or the outlet box system of a ceiling-suspended fans must not support more than ______ pounds must.
70
Cord and plug connected appliances are not permitted to exceed _____ % of the branch circuit rating
80
When using nonmetallic boxes, the volume allowance is based on ______
All of the above
Receptacle on the bottom side of a roof overhang
Damp location
Some ceiling fan/light units have one lamp socket, whereas other have _____ sockets.
Four or five
Sliding glass panel
Receptacles not required
When replacing an existing luminaire (fixture) with a ceiling suspended paddle fan, make sure that the existing outlet box is listed and marked as _____
Suitable for fan support
Pole-mounted light in a yard
Wet location
Lighting track in residential installation ____ permitted to be installed in the zone 3 ft horizontally and 8 ft vertically from the top a bathtub rim
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
when an individual branch circuit is run for the refrigerator, some inspectors require that a single receptacle be installed to "meet code". A single receptacle ensures that the receptacle will not supply other appliances, although this is highly unlikely because the receptacle is located _____ the refrigerator
behind
A _____ receptacle can be hidden behind a painting or photograph that you want to light up
clock hanger
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
A partially protected area, such as an open porch, under a roof or canopy, is a ______ location
damp
During the winter, it is suggested that a paddle fan should ____
draw air up
Which of the following is required in order to dim fluorescent fixtures
fluorescent dimmer and dimming ballasts
When using nonmetallic sheathed cable or armored cable, never use the bar equipment grounding conductor as a ______ conductor, and never use the grounded circuit conductor as an equipment grounding conductor.
grounded circuit
Because of the dangers associated with a open neutral (grounded conductor), NEC 300 13(B) does not permit the continuity of the _____ conductor
grounded neutral
Electronic dimmers use triacs to chop the ac sine wave, so some incandescent lamps might ______ because the lamp filament vibrates.
hum
Kitchen lighting _____ permitted to be supplied by the two 20-ampere small-appliance circuits required for the kitchen and dining room area.
is not
Lighting fixtures intended for installations in wet locations must be
marked "Suitable for Wet Locations"
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 the cubic inch volume
Although it adds cost, consider a ______ on both sides of the front door for easy plugging in of outdoor decorations
outdoor weatherproof receptacle
The NEC defines a kitchen as an area with a sink and ______ provisions for food preparation and cooking.
permanent
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
When someone decides to use a study/bedroom as a home office
several pieces of electronic equipment will need to be plugged in
A bathroom is defined as "an area including a basin, with one or more of which items?
toilet, tub, bidet- any of the above
In a room that may be as a home office, you could consider ____
using 12 AWG for the home run or even for the entire branch circuit
In a home office, the current draw is
very low
Transient voltage surge suppressors the possibility of ______ damaging sensitive electronic equipment
voltage surge
Electronic dimmers for use only to control incandescent lamps are marked with a ______ rating
wattage
A location exposed to the weather is a ___ location
wet
Install luminaires listed for _____ locations if they will be subject to shower spray.
wet
The load for each small-appliance, branch circuit load is required to be calculated at ____.
1,500 volt amperes
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
A single receptacle on a 20 ampere individual branch circuit must be rated _____
20 amps
The suggested fan size for rooms up to 144 square feet is _____ inches, and the suggested fan size for rooms up to 500 square feet is ______ inches
42,56
Some inspectors consider the area within a _____ angle from a roof line or overhang to be a damp location
45 degrees
Portable light tracks must___
All of the above
Which of the following is NOT a reason that ceiling fans must be specially supported
Safe grounding
GFCI protection can be provided for convenience receptacles serving kitchen counter top areas
all of these
A 125 volt, 15 and 20 ampere receptacle installed to serve a kitchen countertop is required
be supplied by at least two 20 ampere small appliance circuits and to have GFCI protection for personnel
What piece of kitchen equipment is permitted to be connected to the two 20 ampere small appliance circuits required for the kitchen and dining room area
clock outlet
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
With _____ products, it takes two failures to create a shock hazard to the user.
double-insulated
Lighting track in residential installations are not permitted to be installed
in damp or wet locations, concealed locations, through walls or partitions
Fan speed controllers have internal circuitry that is engineered for use on inductive circuits. Do not use standard ________ to control fan motors
incandescent lamp dimmer
NEC 422.16(B)(4) permits a range hood to be cord and plug connected. The receptacle would be installed ____ the range.
inside the cabinetry
A popular use of ______ is to control one receptacle with a switch and leave one receptacle hot at all times
split wired receptacles
In a home office, you will never have enough wall receptacles. Plug in strips of the ___ type are always needed
surge protection
In addition to being fastened to the outlet box, the track for track lighting is generally fastened to the ceiling with ____
toggle bolts and screws
