Exam 4: Cables

Holes must be bored so that the edge of the hole is at least ____ from the nearest edge of the wood member.

Generally, ungrounded (hot) conductors can be any color except ____.

Protection is required for cables located within 6 ft (1.8 m) (measured both vertically and horizontally) of the ____.

Ducts used to transport dust, loose stock, or flammable vapors shall not contain ____ of any type.

Cables running across the top of floor joists must be protected by _____.

Cable installed under a building must be ____ unless the wiring method is Type MC or Type MI cable that is identified for direct burial.

A widely accepted practice is to identify 3-phase ungrounded (hot) conductors as ____ in 208/120 volt, 4-wire, wye-connected systems.

A key provision found in most of the cable articles states that the cable must not be installed where subject to ____.

Cables running horizontally (or diagonally) are considered supported and secured when passing through a(n) ____ unless the support intervals exceed those listed for the specified cable.

Cover measurement commences at the top surface of any direct burial wiring method and ends at the ____ of the finished grade's top surface.

Exposed runs of Type AC cable installed on the underside of joists must be supported at ____.

Type AC cable must have a bending radius at least ____ times the diameter of the cable.

Type AC cable shall have a(n) ____.

Electrical installation openings that penetrate into or through fire-resistant-rated structures must be ____.

A cable assembly's ____ conductor can be used as a switch loop (leg) in single-pole, three-way, and four-way switch installations, even though it is an ungrounded (hot) conductor.

Cables entering or exiting conduit used for support or protection against physical damage require fittings on the conduit ends to prevent ____.

Nonmetallic-sheathed cable passing through holes (or slots) in metal framing must be protected by ____ covering all metal edges.