MASTER ELECTRICIAN'S EXAM PREP
GUIDE EXAMS #10-12
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 - Correct Answers -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 - Correct Answers -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. - Correct Answers -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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -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
D. 8,970 VA - Correct Answers -B. 6,728 VA
pg. 77
Nonmetallic cable trays shall be made of ____ material.
A. fire-resistant
B. waterproof
C. fire-proof
D. flame-retardant - Correct Answers -D. flame-retardant
pg. 243
Switches are to be located a horizontal distance of LEAST ____ from the inside walls of
an indoor placed spa or hot tub.
A. 4 feet
B. 5 feet
C. 8 feet
D. 10 feet - Correct Answers -B. 5 feet
pg. 575
Direct buried cables installed under an open field vacant property must have a MIN.
cover depth of ____ when the applied voltage is not more than 600 volts.
A. 24 inches
B. 18 inches
C. 12 inches
D. 30 inches - Correct Answers -A. 24 inches
pg. 143
Shore power for boats docked in marinas and boatyards shall be provided by single
receptacles that are of the locking- and grounding-type, mounted at least 12 inches
above the deck surface, and rated NOT less than ____.
A. 50 amperes
B. 40 amperes
GUIDE EXAMS #10-12
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 - Correct Answers -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 - Correct Answers -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. - Correct Answers -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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -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 - Correct Answers -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
D. 8,970 VA - Correct Answers -B. 6,728 VA
pg. 77
Nonmetallic cable trays shall be made of ____ material.
A. fire-resistant
B. waterproof
C. fire-proof
D. flame-retardant - Correct Answers -D. flame-retardant
pg. 243
Switches are to be located a horizontal distance of LEAST ____ from the inside walls of
an indoor placed spa or hot tub.
A. 4 feet
B. 5 feet
C. 8 feet
D. 10 feet - Correct Answers -B. 5 feet
pg. 575
Direct buried cables installed under an open field vacant property must have a MIN.
cover depth of ____ when the applied voltage is not more than 600 volts.
A. 24 inches
B. 18 inches
C. 12 inches
D. 30 inches - Correct Answers -A. 24 inches
pg. 143
Shore power for boats docked in marinas and boatyards shall be provided by single
receptacles that are of the locking- and grounding-type, mounted at least 12 inches
above the deck surface, and rated NOT less than ____.
A. 50 amperes
B. 40 amperes
