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Master Electrician Practice Test Latest Online
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1. The optional method of calculation for dwelling
units is reserved for ___.
a. multifamily dwelling units only
b. dwelling units with over 3,000 sq. ft. of usable
space
c. dwelling units supplied by service conductors
with an ampacity of 100 amperes or greater.
d. dwelling units with a 208Y/120-volt, 3-phase,
electrical system only
2. When calculating the service-entrance
conductors of a farm where all the buildings,
including the dwelling, are supplied from a
common service, the second largest individual
load in the group shall be calculated at _____.
a. 60
percent
b. 75
percent
c. 80
percent
d. 90
percent
, 3. The entire area of a service pit located in a commercial major repair garage that is not
provided with mechanical ventilation is classified as a _____ location.
a. Class I, Division 1
b. Class I, Division 2
c. Class II, Division 1
d. Class II, Division 2
4. The MAXIMUM distance conduit seals are permitted to be installed from an enclosure
that houses devices that produces arcs or high-temperatures in a Class I, Division 1
location is _____.
a. 6 inches
b. 24 inches
c. 12 inches
d. 18 inches
5. Where three (3) switches are grouped or Study
ganged in an outlet box without permanent Online
barriers, the voltage between the adjacent Instantly
switches shall NOT exceed _____.
a. 150 volts
b. 250 volts
c. 300 volts
d. 240 volts
6. In order to determine the adequate size of a
junction box containing size 4 AWG THWN
copper conductors, the volume allowance, in
cubic inches, required per conductor is _____.
a. 5.00 cu. in.
Master Electrician Practice Test Latest Online
Update 2025-2026 Actual Exam Questions Instantly
with 100% Verified Correct Answers
Guaranteed A+ Verified by Professor
1. The optional method of calculation for dwelling
units is reserved for ___.
a. multifamily dwelling units only
b. dwelling units with over 3,000 sq. ft. of usable
space
c. dwelling units supplied by service conductors
with an ampacity of 100 amperes or greater.
d. dwelling units with a 208Y/120-volt, 3-phase,
electrical system only
2. When calculating the service-entrance
conductors of a farm where all the buildings,
including the dwelling, are supplied from a
common service, the second largest individual
load in the group shall be calculated at _____.
a. 60
percent
b. 75
percent
c. 80
percent
d. 90
percent
, 3. The entire area of a service pit located in a commercial major repair garage that is not
provided with mechanical ventilation is classified as a _____ location.
a. Class I, Division 1
b. Class I, Division 2
c. Class II, Division 1
d. Class II, Division 2
4. The MAXIMUM distance conduit seals are permitted to be installed from an enclosure
that houses devices that produces arcs or high-temperatures in a Class I, Division 1
location is _____.
a. 6 inches
b. 24 inches
c. 12 inches
d. 18 inches
5. Where three (3) switches are grouped or Study
ganged in an outlet box without permanent Online
barriers, the voltage between the adjacent Instantly
switches shall NOT exceed _____.
a. 150 volts
b. 250 volts
c. 300 volts
d. 240 volts
6. In order to determine the adequate size of a
junction box containing size 4 AWG THWN
copper conductors, the volume allowance, in
cubic inches, required per conductor is _____.
a. 5.00 cu. in.
