SERIES NCCER ELECTRICAL LV 1 MODULE 9 CONDUCTORS AND CABLES COMPLETE QUESTIONS AND CORRECT ANSWERS | GRADED AND THE LATEST SERIES

2025-2026 SERIES
NCCER ELECTRICAL LV 1 MODULE 9 CONDUCTORS
AND CABLES COMPLETE QUESTIONS AND CORRECT
ANSWERS | GRADED AND THE LATEST SERIES
The slandered system of wire sizes in the United Stated is known as the

_______.


Ans: American Wire Gauge (AWG) system


Question: Wire sizes of No._ or larger are shown only as stranded.


Ans: No.6


Question: The purpose of stranding is to increase ________.


Ans: The Flexibility of the wire


Question: A circular mil is a circle that has a diameter of ______.


Ans: 1 mil


Question: A mil is ____.


Ans: 0.001 inch


Question: Aluminum conductors have a _______.


Ans: Higher resistance

, 2025-2026 SERIES
Question: The conductivity of aluminum is approximately ______ that of

copper.


Ans: 2/3


Question: The grounding conductor may be _____.


Ans: bare, green, or green with a yellow stripe


Question: Type NM and Type NMC is widely used for ______


Ans: branch circuits and feeders in residential and commercial systems.


Question: What is Romex Cable?


Ans: 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).


Question: If a conductor has a low resistance, it _______.


Ans: has a high conductivity


Question: Telephone wiring in a plenum space is likely to use _______.


Ans: Teflon insulation


Question: Using NEC Table 402.5, the allowable ampacity of No.14 AWG

fixture wire is ___.