Master Electrician Practice Test Latest Update 2025-2026 Actual Exam Questions with 100% Verified Correct Answers Guaranteed A+ Verified by Professor
- The optional method of calculation for dwelling
units is reserved for ___.
- multifamily dwelling units only
- dwelling units with over 3,000 sq. ft. of usable
space
- dwelling units supplied by service conductors
with an ampacity of 100 amperes or greater.
- dwelling units with a 208Y/120-volt, 3-phase,
electrical system only
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- 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 _____.
- 60
percent
- 75
percent
- 80
percent
- 90
percent
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- 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.
- Class I, Division 1
- Class I, Division 2
- Class II, Division 1
- Class II, Division 2
- 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 _____.
- 6 inches
- 24 inches
- 12 inches
- 18 inches
- Where three (3) switches are grouped or
ganged in an outlet box without permanent barriers, the voltage between the adjacent switches shall NOT exceed _____.
- 150 volts
- 250 volts
- 300 volts
- 240 volts
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- 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 _____.
- 5.00 cu. in.
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