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EET1051 H-8 Devices (13 h)

Text Book: Article 406
House Wiring: Chapters 2, 19, pages 40-51, 517-524
True/False

Indicate whether the statement is true or false.
 

 1. 

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

 2. 

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.
 

 3. 

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

 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.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 5. 

A multiple receptacle has more than __________ contact device(s) on the same yoke.
a.
1
b.
2
c.
3
d.
4
 

 6. 

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
 

 7. 

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
 

 8. 

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
 

 9. 

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
 

 10. 

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
 

 11. 

A GFCI device provides protection against __________.
a.
short circuits
b.
ground faults
c.
overcurrents
d.
All of the above
 

 12. 

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
 

 13. 

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
 

 14. 

A grounding conductor may not be __________.
a.
bare
b.
green
c.
green with yellow stripes
d.
green with white stripes
 

 15. 

When a duplex receptacle is installed horizontally, it is recommended that the __________ slot be mounted on top.
a.
grounded
b.
grounding
c.
ungrounded
d.
Either A or B
 

 16. 

A __________ switch would be used to control two lights from one location.
a.
double-pole
b.
single-pole
c.
three-way
d.
four-way
 

 17. 

The proper NEMA designation for a 15 amp, 125 volt receptacle is __________.
a.
5-15R
b.
5-15P
c.
5-20R
d.
6-15R
 

 18. 

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
 

 19. 

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
 

 20. 

GFCI receptacles should be tested at least once per __________.
a.
day
b.
week
c.
month
d.
year
 

 21. 

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
 

 22. 

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
 

 23. 

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
 

 24. 

__________ 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
 



 
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