Exam 5: Raceways and Conductors

Wireways are ____ housing and protecting electric wires (and cables).

A "header" is a transverse raceway ____.

Electric metal tubing (EMT) provides protection from ____.

____ in the ends of larger conduits (2 to 6 in.) can prevent conduit collapses or other deformities.

Bends must be made so that the conduit or tubing remains undamaged with its internal diameter ____.

Surface nonmetallic raceways and their fittings must be designed so that sections can be mechanically coupled together and installed without subjecting the wires to ____.

The definition for intermediate metal conduit (IMC) and rigid metal conduit (RMC) is ____.

The equivalent of ____ is the maximum allowed between pull points.

PVC bends must be made so that the conduit remains undamaged and the internal diameter of the conduit is ____.

A multiconductor cable, optical fiber cable, or flexible cord of two or more conductors is treated as ____ for percentage conduit fill area calculations.

Electrical metallic tubing must not be ____.

NEC identifies ____ types of rigid PVC conduit.

The minimum approved electrical trade size for EMT is ____ in.

Liquidtight flexible metal conduit (LFMC) is a raceway of circular cross section having a(n) ____ over an inner flexible metal core.

Rigid metal conduit (RMC) is a threadable raceway of ____ designed for the physical protection and routing of conductors and cables.

Underfloor raceway dead ends must be ____.

A group of conductors that fit into one conduit may not fit into another type because the ____ of different types of conduit vary.

All cut ends of IMC and RMC must be ____.

Splices and taps are permitted within a surface metal raceway having a removable cover that ____.

Article 100 defines raceway as a(n) ____designed expressly for holding wires, cables, or busbars.