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Electrical Safety
Test
1. When does a ground fault circuit interrupter work?
a. When a ground fault interferes with the equipment
b. When a ground fault is detected
c. When continuity is broken between the equipment and ground
d. Only on grounded equipment
2. When doing outside electrical work, what type of circuit needs to be used?
a. 110 volt
b. 220 volt
c. A ground fault interrupter
d. A buzz fuse
3. Which statement is true about a static charge?
a. It’s developed by equipment statically standing there
b. It’s developed by the friction between two materials
c. It’s used in statistical calculations
d. It’s only a theoretical amount of electricity
4. What is the definition of “current”?
a. The flow of electricity in a circuit
b. The potential difference between a “hot” and “neutral” lead
c. The resistance measured in ohms
d. A calculated unmeasurable value that the engineers use
5. What is the definition of “voltage”?
a. The flow of electricity in a circuit
b. The potential difference between a “hot” and “neutral” lead
c. The resistance measured in ohms
d. A calculated unmeasurable value that the engineers use
6. At about how many milliamps does a GFCI trip?
a. 0.5 mA
b. 5 mA
c. 50 mA
d. 500 mA
7. To adapt a grounded plug to a two-slot polarized outlet, the ground prong
may be cut off.
a. True
b. False
Ferris State University
Electrical Safety Test
Michigan Department
of
Career Development
8. A three prong plug can be used without the ground in an emergency?
a. True
b. False
9. A short circuit is a direct connection between:
a. Hot & ground
b. Hot & neutral
c. Hot & hot
d. None of the above
10. An overcurrent device is a circuit breaker or a fuse.
a. True
b. False
Ferris State University
Electrical Safety Test
Michigan Department
of
Career Development