Master Electrician Exam Prep: Scores 100% on Exams 10-12

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.Master Electrician's Exam Prep Guide
Exams #10-12 CORRECT 100%
At carnivals and fairs, service equipment shall not be installed in a location that is accessible to
unqualified persons, UNLESS the equipment ____.



A. has a voltage to ground of not more than 125 volts

B. is provided with GFCI protection

C. is lockable

D. is installed at a height of more than 6 feet - ANSWER C. is lockable

pg. 463



Where the NEC specifies that one equipment shall be "within sight from" or "within sight of" another
equipment, the specified equipment is to be visible and NOT more than ____ from the other.



A. 50 feet

B. 100 feet

C. 125 feet

D. 200 feet - ANSWER A. 50 feet

pg. 37



As a general rule, where a cable is installed parallel to framing members, the cable shall be installed so
that the nearest edge of the cable is NOT less than ____ from the nearest edge of the framing member.



A. 3/4 in.

B. 1 in.

C. 1 1/4 in.

D. 1 1/2 in. - ANSWER C. 1 1/4 in.

, pg. 141



Generally, how many grounded conductors are permitted to be terminated under an individual terminal
within a switchboard or panelboard where the equipment operates at less than 1,000 volts?



A. four

B. three

C. two

D. one - ANSWER D. one

pg. 274



The service equipment provided for a mobile home shall be located in sight from and NOT more than
____ from the exterior wall of the mobile home it serves.



A. 50 feet

B. 30 feet

C. 75 feet

D. 100 feet - ANSWER B. 30 feet

pg. 479



What is the MAX. number of size 1/0 AWG THH/THWN copper current-carrying conductors allowed by
the NEC at any cross-sectional area of a 4in. x 4 in. metallic wireway?



A. 17

B. 18

C. 19

D. 20 - ANSWER A. 17

pg. 229, 701

, Where electrical boxes are installed in a wall having a combustible finish and located above a kitchen
wall countertop they shall be installed ____.



A. recessed 1/4 in.

B. recessed a min. of 1/2 in.

C. projected out not less than 1/4 in. from the finish surface

D. flush or projected from the finish surface - ANSWER D. flush or projected from the finish surface

pg. 185



A single phase, 125-volt, 15- or 20- ampere receptacle outlet shall be installed at each residential
kitchen, breakfast room, or dining room wall countertop and work surface that is at LEAST ____ or wider.



A. 12 inches

B. 24 inches

C. 36 inches

D. 20 inches - ANSWER A. 12 inches

pg. 69



A one-family dwelling unit is to have the following fastened in place appliances installed:

1,200 VA dishwasher

4,000 VA water heater

1,150 VA garbage disposer

700 VA attic fan

1,920 VA garage door opener

The demand load, in VA, on the ungrounded (line) service entrance conductors for the listed appliances
is ____ when applying the general method of calculations for dwelling units.



A. 7,728 VA

B. 6,728 VA

C. 6,276 VA download pdf at this website;https://learnexams.com/
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