Name: 
 

Chapter 18



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

 1. 

Receptacles rated 125 volts and 15 or 20 amperes come with a ____ slot for the attachment plug grounding prong.
a.
wide
c.
round
b.
long
d.
U-shaped
 

 2. 

The best way to make the necessary connections in an electrical box so that only one conductor gets connected to a terminal screw is to use a ____.
a.
pigtail
c.
keyhole saw
b.
terminal loop
d.
threaded hub
 

 3. 

General use receptacles are made from high-strength plastic with a(n) ____ running through it or behind it.
a.
electrode
c.
metal strap
b.
copper cable
d.
looped conductor
 

 4. 

Whenever a GFCI senses a current on the “hot” conductor that is at least ____ greater than the current flowing on the grounded conductor, it trips the conductor off.
a.
4 to 6 milliamps
c.
2 to 4 amps
b.
20 to 40 milliamps
d.
5 amps
 

 5. 

The ____ method is by far the most recommended type of back wiring.
a.
lock plate
c.
loop-back
b.
screw-connected
d.
push-in
 

 6. 

____ switches are used in pairs to control one or more light fixtures or receptacles from two locations.
a.
Single-pole
c.
Three-way
b.
Double-pole
d.
Four-way
 



 
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