Wiring Systems #2

RMC is connected by use of

• Adhesive

• Nails

• Threads

True or False? AC cable has an insulated ground wire installed in the sheathing?

• True

• False

LFNC stands for

• Lite-fireproof-metallic conduit

• Large-fireproof-nonmetallic-conduit

• Liquidtight-flexible-nonmetallic-conduit

• Liquidtight-free-nonmetallic-conductor

Who of the following tests & certifies electrical materials & equipment?

• Building Inspector

• Authority Having Jurisdiction

• Underwriters Laboratories (UL)

• OSHA

Where can the box volume be found for a plastic box?

• The table in the code book.

• Stamped in the box

• Sticker on the box

True of false? A 10 ft section of EMT has 3 current carrying conductors in it. The electrician needs to calculate the adjustment factor for the wires.

• True

• False

Which type of raceway is flame retardant, moisture & chemical resistant and uses glue-in or snap in fittings?

• EMT

• ENT

• MC

• UF

Which wiring method listed is not rated for direct burial?

• RMC

• ENT

• IMC

• UF

Which of the following statements about aluminum wire is false?

• It expands more than copper

• It oxidizes more than copper

• It requires Nolox when installing.

• It is the most common conductor electricians use.

________ is the max current carrying capacity of a wire and its consequent heat dissipation ability.

• Voltage

• Ampacity

• Resistance

• Conductance