Residential Electrician Exam
#4/Questions with Verified
Answers/100% Accurate
When a single branch-circuit with an equipment grounding conductor is supplying
a detached garage from a house, what, if any, additional grounding electrode(s)
is/are required at the garage?
a) A ground rod and underground metal water pipe.
b) A metal underground water pipe only.
c) A metal underground water pipe and building steel, if available.
d) No additional electrodes are required. - -D: No additional electrodes are
required.
Ref: 250.32(A), Ex.
-The point of attachment of a service drop to a residence where the voltage is 120
volts to ground is required to be at LEAST _____ above grade.
a) 8 feet
b) 10 feet
c) 12 feet
d) 15 feet - -B: 10 feet
Ref: 230.26
-The branch-circuit overcurrent protection device shall be permitted to serve as
the disconnecting means for stationary motors rated NOT greater than _____
horsepower.
a) 2
b) 1
c) 1⁄ 2
d) 1⁄ 8 - -D: 1⁄ 8
Ref: 430.109(B)
-When installing an overhead service using a rigid metal conduit (RMC) mast for
the support of the service-drop conductors, the mast shall be of adequate strength
or be _____ to withstand safely the strain imposed by the service drop.
a) at least 2 inches in diameter
b) a minimum of 3 inches in diameter
c) supported by braces or guys
d) less than 4 feet in length - -C: supported by braces or guys
Ref: 230.28
-When wall switches are installed in the same room with a spa or hot tub, the
MINIMUM distance from the switches to the inside wall of the hot tub or spa shall
be _____.
a) 5 feet
b) 10 feet
c) 15 feet
d) 18 feet - -A: 5 feet
Ref: 680.43(C)
, -All 15- and 20-ampere, single-phase, 125-volt receptacle outlets located at LEAST
_____ from the inside walls of a swimming pool shall be provided with GFCI
protection.
a) 10 feet
b) 15 feet
c) 20 feet
d) 25 feet - -C: 20 feet
Ref: 680.22(A)(4)
-A luminaire shall be supported independently of the outlet box when it weighs
more than _____ pounds, unless the outlet box is listed for the weight to be
supported.
a) 6
b) 25
c) 35
d) 50 - -D: 50
Ref: 314.27(B)
-Of the following listed connectors, which type is prohibited for connection of a
grounding conductor to enclosures?
a) sheet metal screws
b) pressure connectors
c) clamps
d) lugs - -A: sheet metal screws
Ref: 250.8
-A ground rod is required to be driven a MINIMUM depth of _____ feet into the
soil.
a) 4
b) 6
c) 8
d) 10 - -C: 8
Ref: 250.53(G)
-Receptacle outlets are permitted to be installed directly over a bathtub or shower
stall _____.
a) if the outlet has a weatherproof cover
b) if the outlet is GFCI protected
c) if the outlet has a weatherproof cover and is GFCI protected
d) never - -D: never
Ref: 406.8(C)
-Receptacle outlets installed in the _____ position in countertops are prohibited.
a) vertical
b) horizontal
c) face-up
d) all of these are acceptable - -C: face-up
Ref: 406.4(E)
#4/Questions with Verified
Answers/100% Accurate
When a single branch-circuit with an equipment grounding conductor is supplying
a detached garage from a house, what, if any, additional grounding electrode(s)
is/are required at the garage?
a) A ground rod and underground metal water pipe.
b) A metal underground water pipe only.
c) A metal underground water pipe and building steel, if available.
d) No additional electrodes are required. - -D: No additional electrodes are
required.
Ref: 250.32(A), Ex.
-The point of attachment of a service drop to a residence where the voltage is 120
volts to ground is required to be at LEAST _____ above grade.
a) 8 feet
b) 10 feet
c) 12 feet
d) 15 feet - -B: 10 feet
Ref: 230.26
-The branch-circuit overcurrent protection device shall be permitted to serve as
the disconnecting means for stationary motors rated NOT greater than _____
horsepower.
a) 2
b) 1
c) 1⁄ 2
d) 1⁄ 8 - -D: 1⁄ 8
Ref: 430.109(B)
-When installing an overhead service using a rigid metal conduit (RMC) mast for
the support of the service-drop conductors, the mast shall be of adequate strength
or be _____ to withstand safely the strain imposed by the service drop.
a) at least 2 inches in diameter
b) a minimum of 3 inches in diameter
c) supported by braces or guys
d) less than 4 feet in length - -C: supported by braces or guys
Ref: 230.28
-When wall switches are installed in the same room with a spa or hot tub, the
MINIMUM distance from the switches to the inside wall of the hot tub or spa shall
be _____.
a) 5 feet
b) 10 feet
c) 15 feet
d) 18 feet - -A: 5 feet
Ref: 680.43(C)
, -All 15- and 20-ampere, single-phase, 125-volt receptacle outlets located at LEAST
_____ from the inside walls of a swimming pool shall be provided with GFCI
protection.
a) 10 feet
b) 15 feet
c) 20 feet
d) 25 feet - -C: 20 feet
Ref: 680.22(A)(4)
-A luminaire shall be supported independently of the outlet box when it weighs
more than _____ pounds, unless the outlet box is listed for the weight to be
supported.
a) 6
b) 25
c) 35
d) 50 - -D: 50
Ref: 314.27(B)
-Of the following listed connectors, which type is prohibited for connection of a
grounding conductor to enclosures?
a) sheet metal screws
b) pressure connectors
c) clamps
d) lugs - -A: sheet metal screws
Ref: 250.8
-A ground rod is required to be driven a MINIMUM depth of _____ feet into the
soil.
a) 4
b) 6
c) 8
d) 10 - -C: 8
Ref: 250.53(G)
-Receptacle outlets are permitted to be installed directly over a bathtub or shower
stall _____.
a) if the outlet has a weatherproof cover
b) if the outlet is GFCI protected
c) if the outlet has a weatherproof cover and is GFCI protected
d) never - -D: never
Ref: 406.8(C)
-Receptacle outlets installed in the _____ position in countertops are prohibited.
a) vertical
b) horizontal
c) face-up
d) all of these are acceptable - -C: face-up
Ref: 406.4(E)
