Residential Electrician Quiz: 100 Questions
Authored by Jay Brooke
Construction
12th Grade
Used 1+ times
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69 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using a Ground Fault Circuit Interrupter (GFCI) in residential wiring?
To prevent circuit overloads
To protect against electrical shock
To reduce energy consumption
To increase circuit capacity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common color for a neutral wire in residential electrical systems?
Red
Black
White
Green
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate electrical power in a circuit?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a standard wire gauge size used in residential wiring?
12 AWG
14 AWG
10 AWG
8 AWG
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum allowable voltage drop for branch circuits in residential wiring according to the National Electrical Code (NEC)?
1%
3%
5%
10%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common cause of electrical fires in residential settings?
Overloading circuits
Using LED bulbs
Installing GFCI outlets
Using surge protectors
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a circuit breaker in an electrical panel?
To increase voltage
To prevent circuit overloads
To reduce current
To enhance power factor
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