Deck 18: Device Installation

Question 1

A multiple receptacle has more than __________ contact device(s) on the same yoke.

A) 1
B) 2
C) 3
D) 4

Answer 1

B

Question 2

The most common receptacle type used in residential wiring is the single receptacle.

Answer 2

False

Question 3

In all areas specified in Section 210.52, all nonlocking type 125 volt, 15- and 20- amp receptacles must be tamper-resistant. (General Rule)

Answer 3

True

Question 4

When self-grounding receptacles are used with nonmetallic device boxes there is no need to attach the circuit grounding conductor to the green screw on the receptacle.

Question 5

A grounding conductor may not be __________.

A) bare
B) green
C) green with yellow stripes
D) green with white stripes

Question 6

On a 20-ampere rated branch circuit, which of the following types of receptacles may not be used?

A) 20-amp single receptacles
B) 15-amp single receptacles
C) 15-amp duplex receptacles
D) 20-amp duplex receptacles

Question 7

The proper NEMA designation for a 30 amp, 125/250 volt receptacle installed for an electric clothes dryer is __________.

A) 5-15R
B) 6-30R
C) 14-30R
D) 10-30R

Question 8

A feed-through GFCI receptacle can provide GFCI protection for regular receptacles installed 'downstream' on the same branch circuit.

Question 9

A GFCI device provides protection against __________.

A) short circuits
B) ground faults
C) overcurrents
D) All of the above

Question 10

Electricians create a split-wired receptacle by removing the __________ between the brass terminal screws on the 'hot' side of a duplex receptacle.

A) screw
B) connecting tab
C) strap
D) wire

Question 11

Which of the following conductors are permitted to be used for the push-in method of attaching conductors to a device?

A) 14 AWG solid copper
B) 14 AWG stranded copper
C) 14 AWG aluminum
D) 14 AWG copper-clad aluminum

Question 12

A __________ switch would be used to control two lights from one location.

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

Question 13

A GFCI will trip when it senses a current imbalance of __________ milliamps or greater.

A) 4 - 6
B) 5 - 8
C) 6 - 9
D) 7 - 10

Question 14

When a duplex receptacle is installed horizontally, it is recommended that the __________ slot be located on top.

A) grounded
B) grounding
C) ungrounded
D) Either A or B

Question 15

Which of the following determine the effect electrical shock has on the body?

A) The amount of current flowing through the body
B) The path the current takes through the body
C) The length of time the current flows through the body
D) All of the above

Question 16

The proper NEMA designation for a 15 amp, 125 volt receptacle is __________.

A) 5-15R
B) 5-15P
C) 5-20R
D) 6-15R

Question 17

If a white conductor in a Romex cable is connected to a traveler terminal on a three-way switch, it does not have to be re-identified because it is not 'hot' all the time.

Question 18

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.

A) impulse
B) grounding
C) shorting
D) ring wave

Question 19

Which of the following is not considered to be a line surge?

A) Ground to line
B) Ground to neutral
C) Line to line
D) Line to neutral

Question 20

A __________ operates by monitoring the current flow on both the ungrounded 'hot' conductor and the grounded conductor.

A) TVSS
B) circuit breaker
C) fuse
D) GFCI

Question 21

The NEC defines a(n) ____________________ as a contact device installed at an outlet for the connection of an attachment plug.

Question 22

On a receptacle, the ____________________ conductor is connected to the silver terminal screw.

Question 23

Explain the purpose of the metal strap that runs through or behind a receptacle or switch.

Question 24

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 called a(n) ________________________________________.

Question 25

The metal frame that a receptacle or switch is built around is called a(n) ____________________.

Question 26

Explain the drawbacks of the push-in method of securing conductors to devices.

Question 27

A __________ receptacle is one 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.

A) duplex
B) single
C) tamper resistant
D) GFCI

Question 28

GFCI receptacles should be tested at least once per __________.

A) day
B) week
C) month
D) year

Question 29

If the two conductors to be connected to a single-pole switch are black and a re-identified white, the connection you are using is called a(n) _________________________.

Question 30

Explain what can be done during the rough-in phase to make switch installation easier in the finish phase of the wiring process.

Question 31

To GFCI protect receptacles that are downstream from a GFCI receptacle, the wiring going to those receptacles is connected to the ____________________ terminals on a feed-through GFCI receptacle.

Question 32

A ____________________ switch is used to control a 240-volt load from one location.

Question 33

A _________ is a familiar type of transient voltage surge suppressor that is usually bought and installed by the homeowner rather than the electrician.

Question 34

When more than one grounded conductor enters a device box, a wiring practice to use so that only one conductor gets connected to the silver terminal screw is to use a(n) ____________________.

Question 35

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.

A) terminal loop
B) curve
C) circle
D) jug handle

Question 36

Explain why it is recommended to install receptacles with the grounding slot up.

Question 37

A duplex receptacle that is wired so one half is hot all the time and the other half is switch-controlled is called a(n) ____________________ receptacle.

Question 38

Explain how metal faceplates are grounded if nonmetallic device boxes are used.

Question 39

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.

A) new box
B) wall shrinker
C) box extender
D) different kind of device

Question 40

__________ connections on devices are a reliable way to terminate circuit conductors to a switch or receptacle device and can save time during installation because a terminal loop is not required to be made.

A) New
B) Push-in
C) Back-wired
D) Straight through

Question 41

Describe different strategies that electricians use to properly position a duplex receptacle into a device box.

Question 42

What do the letters 'TVSS' stand for?

Question 43

List the 5 types of AFCI devices currently recognized by Underwriters Laboratories (UL).