Deck 13: Switching Circuit Installation

Question 1

A permanent black marker can be used to re-identify a white insulated conductor as a 'hot' conductor in a cable.

Answer 1

True

Question 2

The most common switch used in residential wiring is the __________ switch.

A) double-pole switch
B) combination switch
C) three-way
D) single-pole

Answer 2

D

Question 3

Switch loops are not permitted in three-way switch circuits.

Answer 3

False

Question 4

There is no need to connect a white insulated grounded conductor to any single-pole, double-pole, three-way, or four-way switch in a residential switching circuit.

Question 5

A double-pole switch can be used to control two 120-volt circuits.

Question 6

When re-identifying a white insulated conductor as a 'hot' ungrounded conductor, the identifying mark must completely encircle the conductor.

Question 7

To control a lighting outlet from four locations, a circuit requires __________.

A) four single-pole switches
B) a four-way switch
C) two three-way switches and a four-way switch
D) two three-way switches and two four-way switches

Question 8

Motor loads not exceeding 80% of the ampere rating of the switch at its rated voltage are permitted to be controlled by Alternating Current General Use Snap Switches.

Question 9

If the circuit grounding 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.

Question 10

Like single-pole switches, dimmer switches always come from the factory with screw terminals.

Question 11

The National Electrical Code requires that all switching be done in the __________ circuit conductor.

A) grounded
B) grounding
C) switch loop
D) ungrounded

Question 12

The brass-colored terminals on a three-way switch are called the __________ terminals.

A) common
B) traveler
C) ungrounded
D) grounded

Question 13

Four-way switches must be placed __________ in the circuit.

A) before the three-way switches
B) in line with the three-way switches
C) after the three-way switches
D) between the three-way switches

Question 14

Dimmer switches are available in single-pole, three-way, and four-way models.

Question 15

When wiring a house using conduit, the NEC permits a white insulated conductor to be used as a 'hot' conductor in a switch loop as long as it is re-identified as such.

Question 16

When a white wire is used as a traveler conductor for three-way and four-way switching, it is required to be re-identified as an ungrounded conductor.

Question 17

Like a four-way switch, a double-pole switch has four terminal screws and the toggle has 'On' and 'Off' written on it.

Question 18

The white wire used in a switch loop wired with a two-wire cable like Type NM must be re-identified. This is normally done with black tape.

Question 19

The black-colored common terminal on a three-way switch should always have a __________ insulated wire connected to it.

A) white
B) black
C) red
D) any colored insulated wire is permitted

Question 20

Switches installed in metal boxes are considered grounded as long as the metal strap of the switch is touching the metal box after installation.

Question 21

____________________ switch devices consist of two switches on one yoke or strap.

Question 22

Explain where combination switches are usually installed in residential wiring systems.

Question 23

A/an ________ is a device that controls the flow of electricity on a circuit for a certain amount of time.

A) four-way switch
B) timer
C) motion sensor
D) single-pole switch

Question 24

When installing a ceiling suspended paddle fan with a lighting kit and you want to have separate control of the fan and light, a __________ must be run from the switching location to the paddle fan location.

A) two-wire cable
B) three-wire cable
C) four-wire cable
D) five-wire cable

Question 25

Explain how a switch loop for a single-pole switch is wired.

Question 26

Explain what must be done to a receptacle so that it may be split-wired with half of it hot and the other half switch-controlled.

Question 27

A(n) ____________________ switch is used to control a 240-volt load, such as a water heater, in a residential wiring system.

Question 28

Four-way switches are always installed between two __________ switches.

A) single-pole
B) double-pole
C) three-way
D) dimmer

Question 29

Which of the following are the same as General Use Snap Switches?

A) Snap switches
B) Toggle switches
C) Switches
D) All of the above

Question 30

____________________ switches are used to control one or more lighting loads from two or more locations.

Question 31

Explain how to tell the difference between a four-way switch and a double-pole switch.

Question 32

When wiring a house with a cable wiring method, a __________ insulated wire cannot be used in a switch loop switching arrangement.

A) red
B) white (re-identified)
C) black
D) all of the above can be used

Question 33

A switching arrangement where the feed is brought to the lighting outlet first and a two-wire cable is run from the lighting outlet to the switch is called a(n) _________________________.

Question 34

When wiring a house with a conduit wiring method, a __________ insulated wire cannot be used in a switch loop as a 'hot' conductor.

A) red
B) white (re-identified)
C) blue
D) black

Question 35

The number of conductors required to be installed between three-way and four-way switches is ____________________.

Question 36

Which of the following switches tend to generate the most heat?

A) Double-pole switches
B) Dimmer switches
C) Three-way switches
D) Four-way switches

Question 37

A switch type that raises or lowers the lamp brightness of a lighting fixture is a __________ switch.

A) two-way
B) dimmer
C) pilot light
D) combination

Question 38

A/an ___________ is a device that detects when a person has entered a room and switches on the room lighting;

A) four-way switch
B) single-pole switch
C) dimmer switch
D) occupancy sensor

Question 39

Three way switches are always installed in __________.

A) pairs
B) threes
C) fours
D) None of the above

Question 40

When installing a receptacle so that one half is controlled by a switch and the other half is hot all the time, the switch-controlled half should be located on the ____________________ of the receptacle.

Question 41

Explain why one dimmer switch and one regular three-way switch are used in three-way circuits instead of two three-way dimmer switches. Assume the use of non-digital dimmers.

Question 42

Describe benefits to using timers, motion sensors, and occupancy sensors in residential electrical systems.

Question 43

Explain why the top half of a split-wired receptacle is hot all the time and the switch-controlled half is on the bottom.