chapter 13 and 18 quiz
GFCI
A _____ device operates by monitoring the current flow on both the ungrounded "hot" conductor and the grounded conductor.
Dimmer
A switch type that raises or lowers the lamp brightness of a lighting fixture is a ____ switch.
Three way
Four-way switches are always installed between two _____ switches.
False
If a white conductor in a type NM cable is connected to a traveler terminal on a three-way switch, it does not have to be reidentified because it is not "hot" all the time.
False
If the circuit conductor is connected to the green grounding terminal on the switch, there is no need to ground the metal device box in which the switch is installed.
Neutral
On a 15 or 20 amp, 125 volt rated receptacle, the branch circuit _____ conductor is connected to the silver terminal screw.
15-amp single receptacle
On a 20-amp rated individual branch circuit, which of the following types of receptacles may not be used?
Ungrounded
The NEC requires that all switching be done in the _____ circuit conductor.
Combination
____ switch devices consist of two switches on one yoke or strap.
Ring wave
A(n) ____ line surge is caused by inductive loads in a residence such as spark igniters on gas ranges and clothes dryers, electric motors, and computers.
TVSS
Transient voltage surge protector.
False
Like single-pole switches, dimmer switches always come from the factory with screw terminals.
Two three-way switches and one four-way switch
To control a lighting outlet from four locations, a circuit requires ______.
Strap
An electrical device designed to protect sensitive electronic circuit boards from voltage surges.
Connecting tab
Electricians create a split-wired receptacle by removing the _____ between the brass terminal screws on the "hot" side of a duplex receptacle.
False
Switch loops are not permitted in three-way switch circuits.
True
There is no need to connect a white insulated grounded conductor to any regular single-pole, double-pole, three way, or four way switch in a residential switching circuit.
True
Three-way switches are always installed in pairs.
True
When you are reidentifying a white insulated conductor as an ungrounded conductor, the identifying mark must completely encircle the conductor.
Single-pole switch
A switch type used to control a lighting load from one location.
Three-way switch
A switch type used to control a lighting load from two locations.
Double-pole switch
A switch type used to control two separate 120-volt loads or one 240-volt load from one location.
GFCI
A device intended to provide protection from dangerous amounts of current.
Tamper-resistant
A ____ receptacle is on that has internal shutters that are closed behind the receptacle slots when there is no attachment plug inserted. The shutters open when a plug is inserted, allowing the plug (and cord) to become energized.
6
A class A GFCI device will trip when it senses a current imbalance of _____ milliamps or greater.
Receptacle
A device installed in an electrical box for the connection of an attachment plug.
AFCI
A device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc is detected is call a (n) _____.
Combination switch
A device with more than one switch type on the same strap.
True
A double-pole switch can be used to control two 120 volt circuits.
Split-wired receptacle
A duplex receptacle wired so that the top half is "hot" all the time and the bottom half is switch controlled.
False
A feed-through GFCI receptacle can provide GFCI protection for regular receptacles installed "downstream" on the same branch circuit.
Green with white stripes
A grounding conductor may not be ______.
Single receptacle
A single contact device with no other contact device on the same strap.
Four way switch
A switch that when used with two three-way switches will allow control of a lighting load from more than two locations.
Switch loop
A switching arrangement where the feed is brought to the lighting outlet first and a two-wire loop is run from the lighting outlet to the switch.
Box extender
If a device box has been installed too far back behind a wall, a _____ can be used to bring the edge of the box flush with the wall surface.
True
Motor loads not exceeding 80% of the ampere rating of the switch at its rated voltage are permitted to be controlled by an alternating-current general-use snap switches.
Black
The black common terminal on a three-way switch should always have a ____ insulated wire connected to it when the wiring method used is type NM cable.
TVSS
The metal frame that a receptacle or switch is built around.
Duplex receptacle
The most common receptacle type used in residential wiring.
Terminal loop
The preferred method for connecting a circuit conductor to a device is to form a ____ in the wire, put it under a terminal screw, and tighten the screw properly.
14-30R
The proper NEMA designation for a 30-amp, 125/250 volt receptacle installed for an electric clothes dryer is ____.
True
The white wire used in traditional switch loop wired with a two-wire cable like type NM must reidentified.
False
When a house is wired with conduit, the NEC permits a white insulated conductor to be used as a "hot" conductor in a traditional switch loop as long as it is reidentified as such.
True
When a white conductor is used as a traveler conductor for three-way and four-way switching, it is required to be reidentified as an ungrounded conductor.
Three-wire cable
When installing a ceiling-suspended paddle fan with a lighting kit and you want to have separate control of the fan and light, a ____ is installed from the switching location to the paddle fan location.
14 AWG solid copper
Which of the following conductors are permitted to be used for the push-in method of attaching conductors to a device.
ground to nuetral
Which of the following is not considered to be a line surge?
Dimmer switches
Which of the following switches tend to generate the most heat?