Exam (elaborations)
NEC Commercial Electrical Test -1 2024
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NEC Commercial Electrical Test -1 2024
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NEC Commercial Electrical Test #1 2024A 4-wire, delta-connected secondary feeder, the phase conductor with the higher
voltage to ground identified with outer finish of _____ or be tagged.
(110.15) - ANS-orange
A branch circuit that supplies only one range could be defined by the code as all of the
following, except _______ branch circuit.
(100 definitions) - ANS-appliance, individual or general purpose
NOT multi-wire
A continuous load is a load where the maximum current is expected to continue for
______ hours or more.
(100 definitions) - ANS-3 hours
A device designed to open and close a circuit by non-automatic means and to open the
circuit automatically on a pre-determined over-current without damage to itself when
properly applied within its rating is defined as a _____.
( 100 Definitions) - ANS-circuit breaker
A domestic clothes dryer branch circuit shall have its minimum load figured at ______
watts or the nameplate rating, whichever is larger.
(220.54) - ANS-5000
A fuse or an over-current trip unit of a circuit breaker shall be connected in series with
each _______ conductor.
(240.15 Ungrounded Conductors / A. Overcurrent Device Required) - ANS-ungrounded
A lighting and appliance branch-circuit panel-board is one having more than ____
percent of its over-current devices protecting lighting and appliance branch circuits. -
ANS-
A load of not less than ______ volt-amperes shall be included for each 2-wire laundry
branch circuit installed as required.
(220.52 Small-Appliance and Laundry Loads - Dwelling unit / B. Laundry Circuit Load) -
ANS-1500
A load where the wave shape of the steady-state current does not follow the wave
shape of the applied voltage.
100 - ANS-non-linear
A luminaire (lighting fixture) that weighs more than _____ pounds shall be supported
independently of the outlet box.
(314.27 Outlet Boxes / A. Boxes at Luminaire / 2. Ceiling Outlets) - ANS-50 pounds
, A non-metallic cables shall be secured at intervals not exceeding _____ feet and within
_____ inches of the box.
(334.30 Securing and Supporting) - ANS-4 1/2 ft
12 in
A phase converter used to supply variable loads shall have conductors on the single
phase supply rate at not less than _______ percent of the phase converter nameplate
single phase input full load amperage.
(455.6 Conductors / A. Ampacity /1. Variable Loads) - ANS-125 %
A required 125-volt, 15-and 20-ampere receptacle in dwelling units shall be installed in
any wall space _____ feet or more in width.
(210.52 Dwelling Unit Receptacle Outlets / A. General / 1. Wall Space) - ANS-2 feet
A single panel or group of panels units designated for assembly in the form of a single
panel, including buses and automatic over-current devices, and equipment with or
without switches for the control of light, heat or power circuits.
(100 Definitions) - ANS-panel-board
All 125-volts receptacles located within ____ feet of the inside wall of a pool or fountain
shall be protected by a grounding-fault circuit interrupter.
680.22 4 - ANS-20 ft
All luminaries (fixture), weighing more than ______ pounds or exceeds 16 inches in any
dimension shall not be supported by the screw shell of the lamp-holder.
(410.30 Supports / A. General) - ANS-6 lb
All switches and circuit breaker used as switches shall be located so the operating
handle, when in its highest position, is not more than ____ feet _____ inches above the
floor or working platform.
(404.8 Accessibility and Grouping / A. Location) - ANS-6 feet 7 inches
An enclosed channel of metal or nonmetallic materials designed expressly, with
additional functions as permitted in this code.
(100 Definitions) - ANS-raceway
An INSULATED conductor is one that is _______ within material of composition.
100 - ANS-encased
Appliances receptacle outlets installed in a dwelling unit for specific appliances, such as
laundry equipment, shall be installed within _______ feet of the intended location of the
appliance.
(210.50 General / C. Appliance Receptacle Outlets) - ANS-6 feet
At least _____ inches of free conductor shall be left at each outlet, junction, and switch
point for splices or the connection of luminaries or devices.
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