NCCER ELECTRICAL 1 MODULE 9 COMPLETE
QUESTIONS AND CORRECT ANSWERS | GRADED
AND THE LATEST SERIES
Wire Sizes are expressed in gauge numbers. The standard system of wire sizes
in the US is the
Ans: American Wire Gauge (AWG)
Question: The purpose of stranding is to
Ans: Increase the flexibility of the wire.
Question: Two-conductor cable
Ans: One white or gray wire(neutral), one black(hot), and a grounding
wire(usually bare).
Question: The grounding conductor may be
Ans: bare, green, or green with yellow stripe
Question: The various types of conductors are concerned in
Ans: NEC article 310
Question: The ampacities of conductors are given in
Ans: NEC Tables 310.15(B)(16) through (B)(21)
Question: The decision of which fixture wire to use depends primarily upon