Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill...
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![Page 1: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/1.jpg)
Two Minute Drill Number 23- ResidentialImproving your skill in code Look Up Increasing Speed Drill
Copyright 2008 Ted "Smitty" Smith
![Page 2: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/2.jpg)
Directions 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 residential installation. . We have included a few other categories just to help keep you sharp.
Copyright 2008 Ted "Smitty" Smith
![Page 3: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/3.jpg)
1. What is the MAXIMUM period allowed for temporary outdoor Christmas decoration lighting for residences?
a. 30 days b. 60 days c. 90 days d. 4 months
Copyright 2008 Ted "Smitty" Smith
![Page 4: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/4.jpg)
1. c 590.3(B)
Copyright 2008 Ted "Smitty" Smith
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2. When doing box fill calculations, a fixture stud in a ceiling mounted outlet box is an equivalent to _____ conductor(s).
a. zero b. one c. two d. three
Copyright 2008 Ted "Smitty" Smith
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2. b 314.16(B)(3)
Copyright 2008 Ted "Smitty" Smith
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3. A branch-circuit supplying more than one electric baseboard heater in a residential occupancy shall be rated a MAXIMUM of _____.
a. 15 amperes b. 20 amperes c. 30 amperes d. 50 amperes
Copyright 2008 Ted "Smitty" Smith
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3. c 424.3(A)
Copyright 2008 Ted "Smitty" Smith
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4. Disregarding exceptions, when installing electrical metallic tubing (EMT), the run of tubing is required to be securely fastened at LEAST every _____.
a. 6 feet b. 10 feet c. 15 feet d. 20 feet
Copyright 2008 Ted "Smitty" Smith
![Page 10: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/10.jpg)
4. b 358.30(A)
Copyright 2008 Ted "Smitty" Smith
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5. When calculating the demand load for a one-family dwelling, what total MINIMUM volt-amperes (VA) must be included in the calculations for the small-appliance and laundry circuit loads?
a. 4500 VA b. 3000 VA c. 1500 VA d. 6000 VA
Copyright 2008 Ted "Smitty" Smith
![Page 12: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/12.jpg)
5. a 210.11(C)(1) & (2) 220.52(A) & (B) 2- small appliance circuits @ 1500VA ea = 3000VA
1- laundry circuit @ 1500VA ea = 1500VA
Total = 4500VA
Copyright 2008 Ted "Smitty" Smith
![Page 13: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/13.jpg)
6. The NEC® mandates the ampacity of UF cable shall be that of _____ conductors.
a. 60ºC rated b. 75ºC rated c. 86ºF rated d. 90ºC rated
Copyright 2008 Ted "Smitty" Smith
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6. a 340.80
Copyright 2008 Ted "Smitty" Smith
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7. The front edge of a switch box installed in a wall constructed of wood, shall be _____ from the surface of the wall.
a. flush with or projected out b. set back a maximum of ¼ inch c. set back a maximum of ½ inch d. set back a maximum of 3/8 inch
Copyright 2008 Ted "Smitty" Smith
![Page 16: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/16.jpg)
7. a 314.20
Copyright 2008 Ted "Smitty" Smith
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8. For dwelling units, where 125 volt, single-phase, 15 and 20 ampere receptacle outlets are installed within at LEAST _____ of the outside edge of a sink in a laundry room, GFCI protection must be provided.
a. 4 feet b. 6 feet c. 8 feet d. 10 feet
Copyright 2008 Ted "Smitty" Smith
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8. b 210.8(A)(7)
Copyright 2008 Ted "Smitty" Smith
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9. For dwelling units, a branch-circuit supplying _____ receptacles outlets is permitted to also supply receptacle outlets in an attached garage.
a. outdoor b. bathroom c. laundry room d. kitchen small-appliance
Copyright 2008 Ted "Smitty" Smith
![Page 20: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/20.jpg)
9. a 210.52(B)(2) 210.11(C)(2) & (3)
Copyright 2008 Ted "Smitty" Smith
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10. A metal underground water pipe may serve as a grounding electrode if it is in direct contact with the earth for at LEAST ______feet or more.
a. 6 b. 8 c. 10 d. 12
Copyright 2008 Ted "Smitty" Smith
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10. c 250.52(A)(1)
Copyright 2008 Ted "Smitty" Smith
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11. What is the MAXIMUM allowable cord length for the cord supplying a cord-and-plug connected dishwasher installed under a kitchen counter in a dwelling unit?
a. 1 ½ feet b. 2 feet c. 3 feet d. 4 feet
Copyright 2008 Ted "Smitty" Smith
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11. d 422.16(B)(2)(2)
Copyright 2008 Ted "Smitty" Smith
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12. What is the MINIMUM size copper SE cable with type THHW insulation that may be used as ungrounded, service-entrance phase conductors for a 150 ampere-rated, 120/240-volt, single-phase, residential service?
a. 1/0 AWG b. 1 AWG c. 2 AWG d. 3 AWG
Copyright 2008 Ted "Smitty" Smith
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12. b Tbl. 310.15(B)(6)
Copyright 2008 Ted "Smitty" Smith
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13. For outlet boxes designed to support ceiling-suspended (paddle) fans that weigh more than ______ pounds, the required marking shall include the maximum weight to be supported.
a. 20 b. 30 c. 35 d. 70
Copyright 2008 Ted "Smitty" Smith
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13. c 314.27(D)
Copyright 2008 Ted "Smitty" Smith
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14. A connection to a driven or buried grounding electrode shall _____.
a. be accessible b. not be required to be accessible c. not be permitted to be buried d. be visible
Copyright 2008 Ted "Smitty" Smith
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14. b 250.68(A), Ex. 1
Copyright 2008 Ted "Smitty" Smith
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15. What is the MAXIMUM allowable standard size circuit breaker rating that may be used to protect a size 8 AWG copper NM-B cable supplying an electric range?
a. 30 amperes b. 40 amperes c. 50 amperes d. 60 amperes
Copyright 2008 Ted "Smitty" Smith
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15. b 334.80 Tbl. 310.16
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16. The MAXIMUM number of size 10 AWG conductors permitted in a 4 inch X 1 ¼ inch octagon metal junction box is _____.
a. two b. four c. five d. six
Copyright 2008 Ted "Smitty" Smith
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16. c Tbl. 314.16(A)
Copyright 2008 Ted "Smitty" Smith
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17. Determine the MINIMUM number of 15-ampere, 120-volt general lighting branch-circuits required for a dwelling that has 2,600 square feet of habitable space.
a. three b. four c. five d. six
Copyright 2008 Ted "Smitty" Smith
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17. c 220.12 Tbl. 220.12 2600 Sq. Ft. X 3VA (total lighting VA of house) 120 volts X 15 amperes = 1800 VA (one circuit)
7800 VA (house) /1800 VA (one circuit) =4.3 = 5 circuits
Copyright 2008 Ted "Smitty" Smith
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18. When calculating the total load on a dwelling unit, how many VA per square feet must be included for the general purpose receptacle outlets?
a. none b. one c. two d. three
Copyright 2008 Ted "Smitty" Smith
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18. a 220.14(J)(1)
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19. When calculating the total load for a dwelling unit, what is the MINIMUM load, in VA, that must be added for the two required small appliance branch-circuits?
a. 1200 VA b. 1500 VA c. 2400 VA d. 3000 VA
Copyright 2008 Ted "Smitty" Smith
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19. d 220.52(A) 1500 VA X 2 circuits required = 3000 VA
Copyright 2008 Ted "Smitty" Smith
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20. It shall be permissible to apply a demand factor of _____ percent to the nameplate-rating load of four or more fastened in place electric water heaters in a multi-family dwelling unit.
a. 50 b. 75 c. 80 d. 90
Copyright 2008 Ted "Smitty" Smith
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20. b 220.53
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End of Drill Click the left mouse button to
advance back to the first question. Each question will now be repeated without the timer to give you a chance to review it and find the answer.
Clicking the left mouse button will advance the slide to the answer and the code
reference.
Copyright 2008 Ted "Smitty" Smith
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1. What is the MAXIMUM period allowed for temporary outdoor Christmas decoration lighting for residences?
a. 30 days b. 60 days c. 90 days d. 4 months
Copyright 2008 Ted "Smitty" Smith
![Page 45: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/45.jpg)
1. c 590.3(B)
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2. When doing box fill calculations, a fixture stud in a ceiling mounted outlet box is an equivalent to _____ conductor(s).
a. zero b. one c. two d. three
Copyright 2008 Ted "Smitty" Smith
![Page 47: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/47.jpg)
2. b 314.16(B)(3)
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3. A branch-circuit supplying more than one electric baseboard heater in a residential occupancy shall be rated a MAXIMUM of _____.
a. 15 amperes b. 20 amperes c. 30 amperes d. 50 amperes
Copyright 2008 Ted "Smitty" Smith
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3. c 424.3(A)
Copyright 2008 Ted "Smitty" Smith
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4. Disregarding exceptions, when installing electrical metallic tubing (EMT), the run of tubing is required to be securely fastened at LEAST every _____.
a. 6 feet b. 10 feet c. 15 feet d. 20 feet
Copyright 2008 Ted "Smitty" Smith
![Page 51: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/51.jpg)
4. b 358.30(A)
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5. When calculating the demand load for a one-family dwelling, what total MINIMUM volt-amperes (VA) must be included in the calculations for the small-appliance and laundry circuit loads?
a. 4500 VA b. 3000 VA c. 1500 VA d. 6000 VA
Copyright 2008 Ted "Smitty" Smith
![Page 53: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/53.jpg)
5. a 210.11(C)(1) & (2) 220.52(A) & (B) 2- small appliance circuits @ 1500VA ea = 3000VA
1- laundry circuit @ 1500VA ea = 1500VA
Total = 4500VA
Copyright 2008 Ted "Smitty" Smith
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6. The NEC® mandates the ampacity of UF cable shall be that of _____ conductors.
a. 60ºC rated b. 75ºC rated c. 86ºF rated d. 90ºC rated
Copyright 2008 Ted "Smitty" Smith
![Page 55: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/55.jpg)
6. a 340.80
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7. The front edge of a switch box installed in a wall constructed of wood, shall be _____ from the surface of the wall.
a. flush with or projected out b. set back a maximum of ¼ inch c. set back a maximum of ½ inch d. set back a maximum of 3/8 inch
Copyright 2008 Ted "Smitty" Smith
![Page 57: Two Minute Drill Number 23- Residential Improving your skill in code Look Up Increasing Speed Drill Copyright 2008 Ted "Smitty" Smith.](https://reader030.fdocuments.in/reader030/viewer/2022032805/56649eeb5503460f94bfd14c/html5/thumbnails/57.jpg)
7. a 314.20
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8. For dwelling units, where 125 volt, single-phase, 15 and 20 ampere receptacle outlets are installed within at LEAST _____ of the outside edge of a sink in a laundry room, GFCI protection must be provided.
a. 4 feet b. 6 feet c. 8 feet d. 10 feet
Copyright 2008 Ted "Smitty" Smith
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8. b 210.8(A)(7)
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9. For dwelling units, a branch-circuit supplying _____ receptacles outlets is permitted to also supply receptacle outlets in an attached garage.
a. outdoor b. bathroom c. laundry room d. kitchen small-appliance
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9. a 210.52(B)(2) 210.11(C)(2) & (3)
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10. A metal underground water pipe may serve as a grounding electrode if it is in direct contact with the earth for at LEAST ______feet or more.
a. 6 b. 8 c. 10 d. 12
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10. c 250.52(A)(1)
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11. What is the MAXIMUM allowable cord length for the cord supplying a cord-and-plug connected dishwasher installed under a kitchen counter in a dwelling unit?
a. 1 ½ feet b. 2 feet c. 3 feet d. 4 feet
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11. d 422.16(B)(2)(2)
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12. What is the MINIMUM size copper SE cable with type THHW insulation that may be used as ungrounded, service-entrance phase conductors for a 150 ampere-rated, 120/240-volt, single-phase, residential service?
a. 1/0 AWG b. 1 AWG c. 2 AWG d. 3 AWG
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12. b Tbl. 310.15(B)(6)
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13. For outlet boxes designed to support ceiling-suspended (paddle) fans that weigh more than ______ pounds, the required marking shall include the maximum weight to be supported.
a. 20 b. 30 c. 35 d. 70
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13. c 314.27(D)
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14. A connection to a driven or buried grounding electrode shall _____.
a. be accessible b. not be required to be accessible c. not be permitted to be buried d. be visible
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14. b 250.68(A), Ex. 1
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15. What is the MAXIMUM allowable standard size circuit breaker rating that may be used to protect a size 8 AWG copper NM-B cable supplying an electric range?
a. 30 amperes b. 40 amperes c. 50 amperes d. 60 amperes
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15. b 334.80 Tbl. 310.16
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16. The MAXIMUM number of size 10 AWG conductors permitted in a 4 inch X 1 ¼ inch octagon metal junction box is _____.
a. two b. four c. five d. six
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16. c Tbl. 314.16(A)
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17. Determine the MINIMUM number of 15-ampere, 120-volt general lighting branch-circuits required for a dwelling that has 2,600 square feet of habitable space.
a. three b. four c. five d. six
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17. c 220.12 Tbl. 220.12 2600 Sq. Ft. X 3VA (total lighting VA of house) 120 volts X 15 amperes = 1800 VA (one circuit)
7800 VA (house) /1800 VA (one circuit) =4.3 = 5 circuits
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18. When calculating the total load on a dwelling unit, how many VA per square feet must be included for the general purpose receptacle outlets?
a. none b. one c. two d. three
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18. a 220.14(J)(1)
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19. When calculating the total load for a dwelling unit, what is the MINIMUM load, in VA, that must be added for the two required small appliance branch-circuits?
a. 1200 VA b. 1500 VA c. 2400 VA d. 3000 VA
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19. d 220.52(A) 1500 VA X 2 circuits required = 3000 VA
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20. It shall be permissible to apply a demand factor of _____ percent to the nameplate-rating load of four or more fastened in place electric water heaters in a multi-family dwelling unit.
a. 50 b. 75 c. 80 d. 90
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20. b 220.53
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