Transcript Two Minute Drill Number Three

Two Minute Drill Number 22Residential
Improving your skill in code Look Up
Increasing Speed Drill
Copyright 2008 Ted "Smitty" Smith
Directions
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Left click on the presentation ICON located at the bottom of the
slide directory to the left of the this slide.
Each slide will transition to the correct answer automatically in
2:00 minutes. The correct answer will transition in 15 seconds. As
you progress through the slide show, the time for each
question will be reduced.
Write down the correct answer to each question and the code
reference as it is displayed so you can review them later.
This presentation is mostly concerning Grounding. We have
included a few other categories just to help keep you sharp.
Copyright 2008 Ted "Smitty" Smith
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1. Receptacles in a kitchen of a residence that are
to serve countertop surfaces shall be installed so
that no point along the wall line is more than
______ inches, measured horizontally from a
receptacle outlet in that space.
a. 24
b. 18
c. 36
d. 48
Copyright 2008 Ted "Smitty" Smith
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1. a
210.52(C)(1)
Copyright 2008 Ted "Smitty" Smith
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2. Given: you are to install a 20-ampere, 120-volt,
GFCI protected, buried, UF cable branch-circuit
that supplies landscape lighting for a residence.
The UF cable is required to have a ground cover of
at LEAST _____.
a. 6 inches
b. 12 inches
c. 18 inches
d. 24 inches
Copyright 2008 Ted "Smitty" Smith
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2. b
Tbl. 300.5, Col. 4
Copyright 2008 Ted "Smitty" Smith
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3. Where nonmetallic sheathed cable (NM) is run at
angles with joists in unfinished basements, the
smallest three conductor cable permitted to be
installed directly to the lower edges of the joists is
size _____.
a. 12 AWG
b. 10 AWG
c. 8 AWG
d. 6 AWG
Copyright 2008 Ted "Smitty" Smith
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3. c
334.15(C)
Copyright 2008 Ted "Smitty" Smith
4. When exceptions are not to be taken into
consideration, the ungrounded conductor of
an electrical branch-circuit may be identified
by _____.
 a. white- or gray-colored insulation
 b. bare or green-colored insulation
 c. only gray-colored insulation
 d. black- or red-colored insulation
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Copyright 2008 Ted "Smitty" Smith
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4. d
310.12(C)
200.6(A)-(E)
250.119
Copyright 2008 Ted "Smitty" Smith
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5. Three-way an four-way switches shall be so
wired that all switching is done_____.
a. only in the grounded circuit conductor
b. only in the ungrounded circuit conductor
c. either in the grounded or the ungrounded circuit
conductor
d. only in the whit colored circuit conductor
Copyright 2008 Ted "Smitty" Smith
5. b
404.2(A)
Copyright 2008 Ted "Smitty" Smith
6. The MAXIMUM height that kitchen
countertop receptacle outlets may be
installed above the countertop shall be
____.
 a. 12 inches
 b. 18 inches
 c. 20 inches
 d. 24 inches
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Copyright 2008 Ted "Smitty" Smith
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6. c
210.52(C)(5)
Copyright 2008 Ted "Smitty" Smith
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7. For dwelling units, panelboards are permitted to
be located in all the areas listed EXCEPT _____.
a. hallways
b. garages
c. kitchens
d. bathrooms
Copyright 2008 Ted "Smitty" Smith
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7. d
240.24(E)
Copyright 2008 Ted "Smitty" Smith
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8. The MAXIMUM number of grounded conductors
allowed to be terminated in an individual terminal, if
conductors are not paralleled, in the neutral bus of
a panelboard is _____.
a. one
b. two
c. three
d. four
Copyright 2008 Ted "Smitty" Smith
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8. a
110.14(A)
Copyright 2008 Ted "Smitty" Smith
9. Flexible cord is considered as protected by
a 20 ampere branch circuit breaker if it is
_____ and approved for use with a specific
listed appliance.
 a. not less than 6 ft in length
 b. size 20 AWG or larger
 c. size 18 AWG or larger
 d. size 16 AWG or larger
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Copyright 2008 Ted "Smitty" Smith
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9. c
240.5(B)(2)
Copyright 2008 Ted "Smitty" Smith
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10. A 120-volt receptacle is installed on a dwelling unit
kitchen island countertop that is 8 ft form the kitchen sink.
Which one of the following statements, if any, is correct?
a. GFCI protection is not required because the receptacle is
not within 6 feet of the sink.
b. GFCI protection is required for all countertop kitchen
receptacles.
c. GFCI protection is not required on receptacles installed
on kitchen islands.
d. None of the above is correct.
Copyright 2008 Ted "Smitty" Smith
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10. b
210.8(A)(6)
Copyright 2008 Ted "Smitty" Smith
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11. Where a mobile home has the main service
disconnecting means installed outdoors, the
disconnecting means shall be installed, so the
bottom of the enclosure is NOT less than
_____above finished grade.
a. 1 foot
b. 2 feet
c. 3 feet
d. 4 feet
Copyright 2008 Ted "Smitty" Smith
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11. b
550.32(F)
Copyright 2008 Ted "Smitty" Smith
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12. A GFCI protected receptacle outlet that
provides power to a permanently installed
swimming pool re-circulating pump motor, shall be
permitted not closer than _____ feet from the inside
wall of the pool.
a. 6
b. 5
c. 12
d. 15
Copyright 2008 Ted "Smitty" Smith
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12. a
680.22(A)(1)
Copyright 2008 Ted "Smitty" Smith
grounding contacts of branch-circuit
receptacle outlets shall be grounded by
connection to the _____ conductor.
 a. bonding
 b. neutral
 c. grounded
 d. equipment grounding
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13. The
Copyright 2008 Ted "Smitty" Smith
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13. d
406.3(C)
Copyright 2008 Ted "Smitty" Smith
14. Any one cord-and-plug-connected
utilization equipment connected to a 120-volt,
20-ampere rated branch-circuit shall have a
MAXIMUM rating of _____.
 a. 10 amperes
 b. 16 amperes
 c. 20 amperes
 d. 25 amperes
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Copyright 2008 Ted "Smitty" Smith
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14. b
210.23(A)(1)
20 amperes X 80% = 16 amperes
Copyright 2008 Ted "Smitty" Smith
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15. In walls or ceilings with a surface of concrete, tile,
gypsum, plaster, or other noncombustible material, boxes
employing a flush-type cover or faceplate shall be installed
so that the front edge of the box will not set back of the
finished surface more than _____.
a. ¼ inch
b. ½ inch
c. 3/8 inch
d. ¾ inch
Copyright 2008 Ted "Smitty" Smith
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15. a
314.20
Copyright 2008 Ted "Smitty" Smith
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16. For a one-family dwelling, the service
disconnecting means shall have a rating of not less
than _____ amperes when supplied with a
120/140-volt, single-phase service drop.
a. 30
b. 60
c. 100
d. 200
Copyright 2008 Ted "Smitty" Smith
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16. c
230.79(C)
Copyright 2008 Ted "Smitty" Smith
17. When applying the general method of
calculation for a dwelling unit, what is the
feeder and service demand load, in kW, for
one 8 kW rated residential electric range?
 a. 8.0 kW
 b. 6.4 kW
 c. 7.0 kW
 d. 12.0 kW
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Copyright 2008 Ted "Smitty" Smith
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17. b
Tbl. 220.55, Col. B
8KW (connected load) X 80% =
6.4KW demand load
Copyright 2008 Ted "Smitty" Smith
18. Service equipment for a mobile home
shall be rated not less than _____ at 120/240
volts, single-phase.
 a. 50 amperes
 b. 60 amperes
 c. 100 amperes
 d. 150 amperes
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Copyright 2008 Ted "Smitty" Smith
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18. c
550.32 (C)
Copyright 2008 Ted "Smitty" Smith
19. Underwater luminaries installed in
swimming pools are required to have GFCI
protection if they operate at a voltage greater
than _____.
 a. 15 volts
 b. 50 volts
 c. 120 volts
 d. 150 volts
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Copyright 2008 Ted "Smitty" Smith
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19. a
680.23(A)(3)
Copyright 2008 Ted "Smitty" Smith
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20. Given: the ungrounded service-entrance conductors for
a one-family residence are size 3/0 AWG THWN copper
conductors. A copper grounding electrode conductor
attached to the concrete-encased steel reinforcing bars
used as the grounding electrode shall not be smaller than
size _____.
a. 2 AWG
b. 4 AWG
c. 6 AWG
d. 8 AWG
Copyright 2008 Ted "Smitty" Smith
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20. b
Tbl. 250.66
Copyright 2008 Ted "Smitty" Smith
End of Drill
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answer and the code reference.
Copyright 2008 Ted "Smitty" Smith
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

1. Receptacles in a kitchen of a residence that are
to serve countertop surfaces shall be installed so
that no point along the wall line is more than
______ inches, measured horizontally from a
receptacle outlet in that space.
a. 24
b. 18
c. 36
d. 48
Copyright 2008 Ted "Smitty" Smith

1. a
210.52(C)(1)
Copyright 2008 Ted "Smitty" Smith





2. Given: you are to install a 20-ampere, 120-volt,
GFCI protected, buried, UF cable branch-circuit
that supplies landscape lighting for a residence.
The UF cable is required to have a ground cover of
at LEAST _____.
a. 6 inches
b. 12 inches
c. 18 inches
d. 24 inches
Copyright 2008 Ted "Smitty" Smith

2. b
Tbl. 300.5, Col. 4
Copyright 2008 Ted "Smitty" Smith
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
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

3. Where nonmetallic sheathed cable (NM) is run at
angles with joists in unfinished basements, the
smallest three conductor cable permitted to be
installed directly to the lower edges of the joists is
size _____.
a. 12 AWG
b. 10 AWG
c. 8 AWG
d. 6 AWG
Copyright 2008 Ted "Smitty" Smith

3. c
334.15(C)
Copyright 2008 Ted "Smitty" Smith
4. When exceptions are not to be taken into
consideration, the ungrounded conductor of
an electrical branch-circuit may be identified
by _____.
 a. white- or gray-colored insulation
 b. bare or green-colored insulation
 c. only gray-colored insulation
 d. black- or red-colored insulation

Copyright 2008 Ted "Smitty" Smith


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4. d
310.12(C)
200.6(A)-(E)
250.119
Copyright 2008 Ted "Smitty" Smith





5. Three-way an four-way switches shall be so
wired that all switching is done_____.
a. only in the grounded circuit conductor
b. only in the ungrounded circuit conductor
c. either in the grounded or the ungrounded circuit
conductor
d. only in the whit colored circuit conductor
Copyright 2008 Ted "Smitty" Smith
5. b
404.2(A)
Copyright 2008 Ted "Smitty" Smith
6. The MAXIMUM height that kitchen
countertop receptacle outlets may be
installed above the countertop shall be
____.
 a. 12 inches
 b. 18 inches
 c. 20 inches
 d. 24 inches

Copyright 2008 Ted "Smitty" Smith

6. c
210.52(C)(5)
Copyright 2008 Ted "Smitty" Smith
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7. For dwelling units, panelboards are permitted to
be located in all the areas listed EXCEPT _____.
a. hallways
b. garages
c. kitchens
d. bathrooms
Copyright 2008 Ted "Smitty" Smith

7. d
240.24(E)
Copyright 2008 Ted "Smitty" Smith
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8. The MAXIMUM number of grounded conductors
allowed to be terminated in an individual terminal, if
conductors are not paralleled, in the neutral bus of
a panelboard is _____.
a. one
b. two
c. three
d. four
Copyright 2008 Ted "Smitty" Smith

8. a
110.14(A)
Copyright 2008 Ted "Smitty" Smith
9. Flexible cord is considered as protected by
a 20 ampere branch circuit breaker if it is
_____ and approved for use with a specific
listed appliance.
 a. not less than 6 ft in length
 b. size 20 AWG or larger
 c. size 18 AWG or larger
 d. size 16 AWG or larger

Copyright 2008 Ted "Smitty" Smith

9. c
240.5(B)(2)
Copyright 2008 Ted "Smitty" Smith
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



10. A 120-volt receptacle is installed on a dwelling unit
kitchen island countertop that is 8 ft form the kitchen sink.
Which one of the following statements, if any, is correct?
a. GFCI protection is not required because the receptacle is
not within 6 feet of the sink.
b. GFCI protection is required for all countertop kitchen
receptacles.
c. GFCI protection is not required on receptacles installed
on kitchen islands.
d. None of the above is correct.
Copyright 2008 Ted "Smitty" Smith

10. b
210.8(A)(6)
Copyright 2008 Ted "Smitty" Smith





11. Where a mobile home has the main service
disconnecting means installed outdoors, the
disconnecting means shall be installed, so the
bottom of the enclosure is NOT less than
_____above finished grade.
a. 1 foot
b. 2 feet
c. 3 feet
d. 4 feet
Copyright 2008 Ted "Smitty" Smith

11. b
550.32(F)
Copyright 2008 Ted "Smitty" Smith





12. A GFCI protected receptacle outlet that
provides power to a permanently installed
swimming pool re-circulating pump motor, shall be
permitted not closer than _____ feet from the inside
wall of the pool.
a. 6
b. 5
c. 12
d. 15
Copyright 2008 Ted "Smitty" Smith

12. a
680.22(A)(1)
Copyright 2008 Ted "Smitty" Smith
grounding contacts of branch-circuit
receptacle outlets shall be grounded by
connection to the _____ conductor.
 a. bonding
 b. neutral
 c. grounded
 d. equipment grounding

13. The
Copyright 2008 Ted "Smitty" Smith

13. d
406.3(C)
Copyright 2008 Ted "Smitty" Smith
14. Any one cord-and-plug-connected
utilization equipment connected to a 120-volt,
20-ampere rated branch-circuit shall have a
MAXIMUM rating of _____.
 a. 10 amperes
 b. 16 amperes
 c. 20 amperes
 d. 25 amperes

Copyright 2008 Ted "Smitty" Smith


14. b
210.23(A)(1)
20 amperes X 80% = 16 amperes
Copyright 2008 Ted "Smitty" Smith
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

15. In walls or ceilings with a surface of concrete, tile,
gypsum, plaster, or other noncombustible material, boxes
employing a flush-type cover or faceplate shall be installed
so that the front edge of the box will not set back of the
finished surface more than _____.
a. ¼ inch
b. ½ inch
c. 3/8 inch
d. ¾ inch
Copyright 2008 Ted "Smitty" Smith

15. a
314.20
Copyright 2008 Ted "Smitty" Smith





16. For a one-family dwelling, the service
disconnecting means shall have a rating of not less
than _____ amperes when supplied with a
120/140-volt, single-phase service drop.
a. 30
b. 60
c. 100
d. 200
Copyright 2008 Ted "Smitty" Smith

16. c
230.79(C)
Copyright 2008 Ted "Smitty" Smith
17. When applying the general method of
calculation for a dwelling unit, what is the
feeder and service demand load, in kW, for
one 8 kW rated residential electric range?
 a. 8.0 kW
 b. 6.4 kW
 c. 7.0 kW
 d. 12.0 kW

Copyright 2008 Ted "Smitty" Smith

17. b
Tbl. 220.55, Col. B
8KW (connected load) X 80% =
6.4KW demand load
Copyright 2008 Ted "Smitty" Smith
18. Service equipment for a mobile home
shall be rated not less than _____ at 120/240
volts, single-phase.
 a. 50 amperes
 b. 60 amperes
 c. 100 amperes
 d. 150 amperes

Copyright 2008 Ted "Smitty" Smith

18. c
550.32 (C)
Copyright 2008 Ted "Smitty" Smith
19. Underwater luminaries installed in
swimming pools are required to have GFCI
protection if they operate at a voltage greater
than _____.
 a. 15 volts
 b. 50 volts
 c. 120 volts
 d. 150 volts

Copyright 2008 Ted "Smitty" Smith

19. a
680.23(A)(3)
Copyright 2008 Ted "Smitty" Smith
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



20. Given: the ungrounded service-entrance conductors for
a one-family residence are size 3/0 AWG THWN copper
conductors. A copper grounding electrode conductor
attached to the concrete-encased steel reinforcing bars
used as the grounding electrode shall not be smaller than
size _____.
a. 2 AWG
b. 4 AWG
c. 6 AWG
d. 8 AWG
Copyright 2008 Ted "Smitty" Smith

20. b
Tbl. 250.66
Copyright 2008 Ted "Smitty" Smith