NCCERNCCER
Electrical Electrical Lv 1LvMODULE 9 9Conductors
1 MODULE andCables
Conductors and Cables ACTUAL
EXAM QUESTIONS WITH COMPLETE SOLUTION GUIDE (A+ GRADED
Study online at https://quizlet.com/_ajhzcd
1. The slandered system of wire sizes in the United American Wire Gauge (AWG)
Stated is known as the _______. system
2. Wire sizes of No._ or larger are shown only as No.6
stranded.
3. The purpose of stranding is to increase ________. The Flexibility of the wire
4. A circular mil is a circle that has a diameter of 1 mil
______.
5. A mil is ____. 0.001 inch
6. Aluminum conductors have a _______. Higher resistance
7. The conductivity of aluminum is approximately 2/3
______ that of copper.
8. The grounding conductor may be _____. bare, green, or green with a yel-
low stripe
9. Type NM and Type NMC is widely used for ______ branch circuits and feeders in
residential and commercial sys-
tems.
10. What is Romex Cable? Nonmetallic sheathed cable con-
sists of two or more plastic-in-
sulated conductors and ground
wire surrounded by a moisture
resistant plastic jacket. Can be
used in wood stud residential
buildings and buildings not ex-
ceeding three stories (as long
1/6
, NCCER Electrical Lv 1 MODULE 9 Conductors and Cables
Study online at https://quizlet.com/_ajhzcd
as it is used and protected with
wood studs).
11. If a conductor has a low resistance, it _______. has a high conductivity
12. Telephone wiring in a plenum space is likely to use Teflon insulation
_______.
13. Using NEC Table 402.5, the allowable ampacity of 17 amps
No.14 AWG fixture wire is ___.
14. The temperature rating of services rating of ser- 75 degrees Cel(167 degrees
vice-entrance cable when the cable is not marked Fharen)
otherwise is_____.
15. Which of the following is the most common type Polyethylene
of jacket?
16. Which of the following is true when pulling con- If a pull is expected to be difficult,
ductors? a pull line should be used rather
than a fish tape.
17. Large conductors are likely to require the use of Electrically driven power pullers.
_____.
18. The maximum size sold wire that should be termi- No.8
nated in pull boxes and disconnects is ____.
19. Compact stranding is used _______. With aluminum conductors
20. The ampacity ratings of conductors can be found NEC Tables 310.16 through
in _______. 310.21
21. NEC Table 310.17
2/6
Electrical Electrical Lv 1LvMODULE 9 9Conductors
1 MODULE andCables
Conductors and Cables ACTUAL
EXAM QUESTIONS WITH COMPLETE SOLUTION GUIDE (A+ GRADED
Study online at https://quizlet.com/_ajhzcd
1. The slandered system of wire sizes in the United American Wire Gauge (AWG)
Stated is known as the _______. system
2. Wire sizes of No._ or larger are shown only as No.6
stranded.
3. The purpose of stranding is to increase ________. The Flexibility of the wire
4. A circular mil is a circle that has a diameter of 1 mil
______.
5. A mil is ____. 0.001 inch
6. Aluminum conductors have a _______. Higher resistance
7. The conductivity of aluminum is approximately 2/3
______ that of copper.
8. The grounding conductor may be _____. bare, green, or green with a yel-
low stripe
9. Type NM and Type NMC is widely used for ______ branch circuits and feeders in
residential and commercial sys-
tems.
10. What is Romex Cable? Nonmetallic sheathed cable con-
sists of two or more plastic-in-
sulated conductors and ground
wire surrounded by a moisture
resistant plastic jacket. Can be
used in wood stud residential
buildings and buildings not ex-
ceeding three stories (as long
1/6
, NCCER Electrical Lv 1 MODULE 9 Conductors and Cables
Study online at https://quizlet.com/_ajhzcd
as it is used and protected with
wood studs).
11. If a conductor has a low resistance, it _______. has a high conductivity
12. Telephone wiring in a plenum space is likely to use Teflon insulation
_______.
13. Using NEC Table 402.5, the allowable ampacity of 17 amps
No.14 AWG fixture wire is ___.
14. The temperature rating of services rating of ser- 75 degrees Cel(167 degrees
vice-entrance cable when the cable is not marked Fharen)
otherwise is_____.
15. Which of the following is the most common type Polyethylene
of jacket?
16. Which of the following is true when pulling con- If a pull is expected to be difficult,
ductors? a pull line should be used rather
than a fish tape.
17. Large conductors are likely to require the use of Electrically driven power pullers.
_____.
18. The maximum size sold wire that should be termi- No.8
nated in pull boxes and disconnects is ____.
19. Compact stranding is used _______. With aluminum conductors
20. The ampacity ratings of conductors can be found NEC Tables 310.16 through
in _______. 310.21
21. NEC Table 310.17
2/6
