Page | 1
NCCER ELECTRICAL LV 1 MODULE 9
CONDUCTORS AND CABLES 2026
QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
The slandered system of wire sizes in the United Stated is known
as the _______. - correct answer -American Wire Gauge (AWG)
system
Wire sizes of No._ or larger are shown only as stranded. - correct
answer -No.6
The purpose of stranding is to increase ________. - correct
answer -The Flexibility of the wire
A circular mil is a circle that has a diameter of ______. - correct
answer -1 mil
A mil is ____. - correct answer -0.001 inch
, Page | 2
Aluminum conductors have a _______. - correct answer -Higher
resistance
The conductivity of aluminum is approximately ______ that of
copper. - correct answer -2/3
The grounding conductor may be _____. - correct answer -bare,
green, or green with a yellow stripe
Type NM and Type NMC is widely used for ______ - correct
answer -branch circuits and feeders in residential and commercial
systems.
What is Romex Cable? - correct answer -Nonmetallic sheathed
cable consists of two or more plastic-insulated conductors and
ground wire surrounded by a moisture resistant plastic jacket.
Can be used in wood stud residential buildings and buildings not
exceeding three stories (as long as it is used and protected with
wood studs).
NCCER ELECTRICAL LV 1 MODULE 9
CONDUCTORS AND CABLES 2026
QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
The slandered system of wire sizes in the United Stated is known
as the _______. - correct answer -American Wire Gauge (AWG)
system
Wire sizes of No._ or larger are shown only as stranded. - correct
answer -No.6
The purpose of stranding is to increase ________. - correct
answer -The Flexibility of the wire
A circular mil is a circle that has a diameter of ______. - correct
answer -1 mil
A mil is ____. - correct answer -0.001 inch
, Page | 2
Aluminum conductors have a _______. - correct answer -Higher
resistance
The conductivity of aluminum is approximately ______ that of
copper. - correct answer -2/3
The grounding conductor may be _____. - correct answer -bare,
green, or green with a yellow stripe
Type NM and Type NMC is widely used for ______ - correct
answer -branch circuits and feeders in residential and commercial
systems.
What is Romex Cable? - correct answer -Nonmetallic sheathed
cable consists of two or more plastic-insulated conductors and
ground wire surrounded by a moisture resistant plastic jacket.
Can be used in wood stud residential buildings and buildings not
exceeding three stories (as long as it is used and protected with
wood studs).
