NCCER Electrical 1 Module 9

According to NEC Chapter 9, Table 8, solid wire is available up to size No. __.

• 8 AWG

• 6 AWG

• 4 AWG

• 2 AWG

Which wire size sequence goes from smallest to largest?

• 12 AWG, 18 AWG, 1/0, 3/0

• 18 AWG, 12 AWG, 3/0, 1/0

• 1/0, 3/0, 12 AWG, 18 AWG

• 18 AWG, 12 AWG, 1/0, 3/0

The conductivity of aluminum is __.

• Two-thirds that of copper

• The same as copper

• One-and-a-half times greater than copper

• double that of copper

You need to determine the conductor ampacity where the conductor is rated at 2,000 and there are no more than three conductors installed in the raceway. Where do you look?

• NEC Chapter 9, Table 8

• NEC Table 310.16

• NEC Article 340

• NEC Table 400.4

In three-conductor cable, the neutral conductor is __.

• bare or green

• red

• black

• white or gray

Fixture wire is available in sizes from __.

• No. 18 to No. 10 AWG

• No. 12 to No. 6 AWG

• No. 8 to No. 4 AWG

• No. 4 to No. 1 AWG

Which of the following types of cable is suitable for dry locations only?

• Type TC

• Type NM

• Type UF

• Type USE

In addition to being both flame- retardant and moisture- resistant , which characteristics does Type NMC cable have?

• It can carry distribution voltages in excess of 60,000V.

• It can be used for direct burial.

• It is fungus- and corrosion- resistant.

• It can be used in ducts or plenums

Type FC cable is a type of __.

• Channel wire assembly

• Tray cable

• Underground feeder cable

• Medium-voltage cable

Romax is a common manufacturer name for __.

• Type NM cable

• Type USE cable

• Type UF cable

• Type MC