ABC 3.1 Electrical (408 - Switchboards and Panelboards)

Conduits and raceways, including end fittings, shall not rise more than _____ in. above the bottom of a switchboard enclosure.

3 (408 - Switchboards and Panelboards)

Article 408 covers _____.

All of these - switchboards - switchgear -panelboards (408 - Switchboards and Panelboards)

Panelboards for one- and two-family dwellings shall have a short-circuit current rating not less than the _____.

Available fault current (408 - Switchboards and Panelboards)

Panelboards supplied by a three-phase, 4-wire, delta-connected system shall have the phase with the higher voltage-to-ground (high-leg) connected to the _____ phase.

B (408 - Switchboards and Panelboards)

(True or False) Panelboard circuit directories can include labels that depend on transient conditions of occupancy.

False (408 - Switchboards and Panelboards)

(True or False) Panelboards are permitted to be reconditioned.

False (408 - Switchboards and Panelboards)

The label required for switchboards, switchgear, and panelboards [408.4(B)] shall be permanently affixed, of sufficient durability to withstand the environment involved, and handwritten.

False (408 - Switchboards and Panelboards)

Each _____ conductor shall terminate within the panelboard at an individual terminal that is not used for another conductor.

Grounded (408 - Switchboards and Panelboards)

A panelboard shall be protected by an overcurrent device within the panelboard, or at any point on the _____ side of the panelboard.

Supply (408 - Switchboards and Panelboards)

When separate equipment grounding conductors are provided in panelboards, a _____ shall be secured inside the cabinet.

Terminal bar (408 - Switchboards and Panelboards)

Each section of switchboard or switchgear equipment that requires rear or side access to make field connections shall be so marked by _____ on the front.

The manufacturer (408 - Switchboards and Panelboards)

A switchboard, switchgear, or panelboard containing a 4-wire, _____ system where the midpoint of one phase winding is grounded, shall be legibly and permanently field-marked to caution that one phase has a higher voltage-to-ground.

delta-connected (408 - Switchboards and Panelboards)

Panelboard cabinets and panelboard frames, if of metal, shall be in physical contact with each other and shall be connected to a(an) _____.

equipment grounding conductor (408 - Switchboards and Panelboards)

Unused openings for circuit breakers and switches in switchboards and panelboards shall be closed using _____, or other approved means that provide protection substantially equivalent to the wall of the enclosure.

identified closures (408 - Switchboards and Panelboards)

Reconditioned switchboards and switchgear that have been damaged by fire, products of combustion, or water, shall be specifically evaluated by _____ prior to being returned to service.

its manufacturer (408 - Switchboards and Panelboards)

For panelboards, every circuit and circuit _____, including spare positions, shall be legibly identified on a circuit directory located on the face, inside of, or in an approved location adjacent to the panel door, and at each switch or circuit breaker in a switchboard or switchgear.

modification (408 - Switchboards and Panelboards)

Where a panelboard is supplied through a transformer, the overcurrent protection shall be located _____.

on the secondary side of the transformer (408 - Switchboards and Panelboards)

All switchboards, switchgear, and panelboards supplied by a feeder(s) in _____ shall be permanently marked to indicate each device or equipment where the power supply originates.

other than one- or two-family dwellings (408 - Switchboards and Panelboards)

Switchboards and switchgear, or sections of switchboards or switchgear, shall be permitted to be reconditioned. Reconditioned switchgear shall be listed or field labeled as _____.

reconditioned (408 - Switchboards and Panelboards)

Plug-in-type back-fed circuit breakers used to terminate field-installed ungrounded supply conductors shall be _____ by an additional fastener that requires more than a pull to release.

secured in place (408 - Switchboards and Panelboards)

Panelboards _____ be installed in the face-up position.

shall not (408 - Switchboards and Panelboards)