Name: 
 

Chapter 19



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

 1. 

Which of the following is a difference between a GFCI circuit breaker and a regular circuit breaker?
a.
The regular circuit breaker has a push-to-test button; the GFCI does not.
b.
The GFCI circuit breaker has a white pigtail attached to it; the regular does not.
c.
The GFCI circuit breaker has an ON and OFF position; the regular does not.
d.
The GFCI circuit breaker is marked with an ampere marking; the regular is not.
 

 2. 

Circuit breakers are attached to bus bars by ____.
a.
locknuts
c.
straps
b.
poles
d.
stabs
 

 3. 

As of January 1, 2008, the NEC® is requiring all AFCI protection to be a(n) ____ type.
a.
portable AFCI
c.
combination AFCI
b.
outlet circuit AFCI
d.
branch/feeder AFCI
 

 4. 

In a circuit breaker, the ____ distributes the electrical power to each of the circuit breakers located in the panel.
a.
bus bar
c.
main breaker
b.
side rail
d.
stab
 

 5. 

Which of the following is an advantage of a GFCI circuit breaker over a GFCI receptacle?
a.
It is less expensive.
b.
The whole circuit is protected.
c.
The downstream GFCI receptacles do not need protection.
d.
It performs automatic self-diagnostic testing at periodic intervals.
 

 6. 

Most 100-amp-rated electrical panels used in residential wiring are designed for ____ overcurrent devices.
a.
16 or 20
c.
38 or 40
b.
20 or 24
d.
42
 



 
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