Raceway and Fittings

The lightest duty and most widely used non-flexible metal conduit is?

• EMT

• RMC

• Aluminum conduit

• Plastic-coated RMC

EMT and RMC connectors are interchangeable.

• True

• False

Which of the following is often referred to as thinwall conduit?

• IMC

• EMT

• RMC

• Galvanized rigid steel conduit

RMC is made of?

• cast iron

• steel or aluminum

• copper or aluminum

• PVC

A type LB conduit body has a cover on_______.

• the left

• the right

• the back

• both sides

The fitting used to protect conductors from the sharp edges of conduit where it enters a box is called_________.

• bushing

• locknut

• coupling

• nipple

NEC 376.56(A) limits wireway fill to no more than _____ of the cross-sectional area of the wireway.

• 40%

• 60%

• 75%

• 90%

A bonding wire is used to make a continuous grounding path between equipment and ground.

• True

• False

Cable trays are rigid structures, either suspended or mounted, that are used to support electrical conductors.

• True

• False

Most electrical equipment that has a metal frame must be bonded.

• True

• False