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Exam 18: Device Installation

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Question 1

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

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Question 2

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

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

E) A) and C)
F) A) and D)

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Question 3

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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.

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.

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.

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

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) ____________________.

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

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.

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

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

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

A grounding conductor may not be __________.

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

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

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

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.

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

GFCI receptacles should be tested at least once per __________.

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