Maintenance Electrician Exam #1
questions with complete solutions
The National Electrical Code (NEC) is NOT: - correct answer ✔✔designed for future expansion of
electrical use
The NEC mandates specific branch-circuits, receptacle outlets, and utilization equipment to be
provided with a ground-fault circuit interrupter (GFCI); this device is intended _____.
a) to prevent overloading the conductors
b) to prevent overloading the circuit breakers
c) for the protection of equipment from overloads
d) for the protection of personnel - correct answer ✔✔D: for the protection of personnel
Ref: Art. 100
Electrical wiring installed _____ is considered to be installed in a damp location.
a) under canopies or roofed open porches
b) underground
c) outside
d) none of these apply - correct answer ✔✔A: under canopies or roofed open porches
Ref: Art. 100
When a 20-ampere, 120-volt receptacle outlet is installed, in which of the following listed
locations is the receptacle required to have GFCI protection?
a) in a classroom of an educational facility
b) in the lobby of a movie theater
c) under an outdoor canopy, near the entrance of a public library
, d) in the walkway of an indoor retail shopping mall - correct answer ✔✔C: Under an outdoor
canopy, near the entrance of a public library
Ref: 210.8(B)(4)
Which of the following is a unit of electrical power?
a) watt
b) voltage
c) resistance
d )conductance - correct answer ✔✔A: watt
Ref: General Knowledge
When checking for continuity between a circuit breaker and the neutral bar of a panelboard
when using a continuity tester, positive continuity is indicated. The reason may be _____.
I) a conductor grounded
II) a luminaire or an appliance may be turned on
a) I only
b) II only
c) either I or II
d) neither I nor II - correct answer ✔✔C: either I or II
Ref: Trade Knowledge
When installing electrical metallic tubing (EMT), there shall be no more than _____ 90° bends in
the tubing between boxes and/or pull points.
a) three
b) four
c) five
d) six - correct answer ✔✔B: four
questions with complete solutions
The National Electrical Code (NEC) is NOT: - correct answer ✔✔designed for future expansion of
electrical use
The NEC mandates specific branch-circuits, receptacle outlets, and utilization equipment to be
provided with a ground-fault circuit interrupter (GFCI); this device is intended _____.
a) to prevent overloading the conductors
b) to prevent overloading the circuit breakers
c) for the protection of equipment from overloads
d) for the protection of personnel - correct answer ✔✔D: for the protection of personnel
Ref: Art. 100
Electrical wiring installed _____ is considered to be installed in a damp location.
a) under canopies or roofed open porches
b) underground
c) outside
d) none of these apply - correct answer ✔✔A: under canopies or roofed open porches
Ref: Art. 100
When a 20-ampere, 120-volt receptacle outlet is installed, in which of the following listed
locations is the receptacle required to have GFCI protection?
a) in a classroom of an educational facility
b) in the lobby of a movie theater
c) under an outdoor canopy, near the entrance of a public library
, d) in the walkway of an indoor retail shopping mall - correct answer ✔✔C: Under an outdoor
canopy, near the entrance of a public library
Ref: 210.8(B)(4)
Which of the following is a unit of electrical power?
a) watt
b) voltage
c) resistance
d )conductance - correct answer ✔✔A: watt
Ref: General Knowledge
When checking for continuity between a circuit breaker and the neutral bar of a panelboard
when using a continuity tester, positive continuity is indicated. The reason may be _____.
I) a conductor grounded
II) a luminaire or an appliance may be turned on
a) I only
b) II only
c) either I or II
d) neither I nor II - correct answer ✔✔C: either I or II
Ref: Trade Knowledge
When installing electrical metallic tubing (EMT), there shall be no more than _____ 90° bends in
the tubing between boxes and/or pull points.
a) three
b) four
c) five
d) six - correct answer ✔✔B: four
