Mod 3
The maximum overcurrent protection allowed for___ awg copper conductors is 30 amps
10
What is the maximum distance between receptacles on the same wall?
12
Dryers use___________ volt amperes
120
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
Prior to the 1996 NEC, ____ receptacles and cords were permitted. However, now it is mandatory that a separate equipment grounding conductor be installed to ground the frames of electric clothes dryers and electric ranges.
3-wire
Electric washer/dryer combinations generally require a ___ - ampere branch circuit similar to that required for a typical electric clothes dryer.
30
What is the conductor size for the grouding electrode system?
350 KCMIL
Some inspectors consider the area within a ____-degree angle from a roof line or overhang to be a damp location.
45
A doorjamb switch is usually mounted about ____ feet above the floor, on the inside of the 2 x 4 framing on the hinge side of the closet door.
6 Feet
The most common type of dimmer used in residential applications is rated ____ watts, 125 VAC, 60 hertz.
600
Ceiling fans boxes designed to support more than ____ pounds must have the maximum weight they are designed to support included in the marking.
70
As defined in Article 100, a bathroom is required to have a ____.
Basin
A(n) ____ receptacle can be hidden behind a painting or photograph that you want to light up.
Clock Hanger
Which of the following 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
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
Which of the following is required to dim fluorescent fixtures
Dimming Ballast
During the winter, it is suggested that a paddle fan should ____.
Draw air up
Because of the dangers associated with the open neutral (grounded conductor), NEC 300.13(B) does not permit the continuity of the ____ conductor to depend on a receptacle.
Grounded (Neutral)
Receptacles installed on 15- and 20-ampere branch circuits must be of the ____ type.
Grounding
When a luminaire is connected to the conductors, the outlet is referred to as a ____ outlet.
Lighting
Recessed or surface-mounted luminaires and recessed exhaust fans _____ be located within the restricted zone near the bathtub.
May
What type of receptacle does a dryer circuit use?
NEMA 14-30R receptacle
A conductor that is less than 24 inches is called a __________________?
Nipple or Conduit
When someone decides to use a bathroom as a home office instead, ___________
a lot of electronic equipment will have to be used
A light dimmer ____ be used as a speed control for a ceiling fan or other motor.
cannot; doing so may result in motor overheating and damage
For most residential electric ____, receptacles and cord sets are rated 30 amperes, 125/250 volts.
clothes dryer
Electronic dimmers use triacs to chop the ac sine wave, so some incandescent lamps might ____ because the lamp filament vibrates.
hum
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 above
A rotary light dimmer ____ suitable for use as a ceiling fan speed control.
is not
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 track ____ permitted to be installed within a zone extending 3 feet horizontally and 8 feet vertically from the top of a bathtub rim.
is not
When installing a ceiling paddle fan, the outlet box must be:
listed and marked as acceptable for fan support
Lighting track in residential installations shall not be cut to length in the field unless permitted by the ____.
manufacturer
Lighting fixtures intended for installation 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 its cubic-inch volume
Many electricians wire the lights and receptacles in a room on different circuits because this
offers the advantage that all power in a room will not go out if the overcurrent protective device trips
NEC 210.11(B) requires that load be evenly proportioned among the different circuits in a panelboard. This is normally performed at the load center panelboard by connecting branch-circuit wiring so that the connected load on the two ____________________ is as equal as possible.
phases
Ceiling fan speed can be controlled by ____.
pull chain
Ceiling fans must be specially supported for all of the following reasons, except for ____.
safe grounding
A bathroom is defined as "an area including a basin, with one or more of the following ____.
shower, tub, toilet
A light above a workbench is an example of ____.
task lighting
the 125-volt, 15- and 20-ampere receptacles installed to serve a kitchen countertop is required ____.
to be supplied by at least two 20-ampere small appliance circuits and to have GFCI protection for personnel
Countertop receptacles must be served by at least ____-ampere small appliance circuits.
two 20
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.
two-wire
In a home office the current draw is __________
very low
A location exposed to the weather is a ____ location.
wet
