NEC

One

A building or structure shall be supplied by a maximum of _____ feeders or branch circuit(s) unless specifically permitted otherwise. a) one b) Two c) Three d) Four

Multifamily dwelling

A building that contains three or more dwelling units is called a ______. a) One-family dwelling b) Two-family dwelling c) Dwelling unit d) Multifamily dwelling

Four

A device comprised of or more receptacles shall be calculated at not less than 90 VA per receptacle. a) One b) Two c) Three d) Four

Three hours

A load is considered to be continuous if the maximum current is expected to continue for ______ or more. a) One-half hour b) One hour c) Two hours d) Three hours

Establishes a connection

A solderless pressure connector is a device that _______ between conductors or between conductors and a terminal by means of mechanical pressure. a) Provides access b) Protects the wiring c) Is never needed d) Establishes a connection

Device

A unit of an electrical system that carries or controls electric energy as its principal function is a(n) ______. a) Raceway b) Fitting c). Device d) Enclosure

Fitting

An accessory, such as a locknut, intended to perform a mechanical function best describes a ______. a) Part b) Equipment c) Device d) Fitting

Lighting outlet

An outlet intended for the direct connection of a lampholder or a luminaire is a(n) ________. a) Outlet b) Receptacle outlet c) Lighting outlet d) General-purpose outlet

Open

Circuit breakers shall _____ all ungrounded conductors of the circuit. a) Open b) Close c) Isolate d) Inhibit

Ungrounded

Each _____ service conductors shall have overload protection a) Overhead b) Underground c) Ungrounded d) None of these

Applied within the listing reauirements

Flexible cords approved for and used with a specific listed appliance or luminaire shall be considered to be protected by the branch-circuit overcurrent device when a) Not more than 6 ft in length b) 20 AWG and larger c) Applied within the listing d) 16 AWG and larger

System bonding iumper

For a single separately derived system, the grounding electrode conductor connects the grounding electrode to the grounded conductor of the derived system at the same point on the separately derived system where the _______ is connected. a) Metering equipment b) Transfer switch c) System bonding iumper d) Largest circuit breaker

The equivalent of a or b 250.1012)

Ground clamps and fittings shall be protected from physical damage by being enclosed in ______ where there may be a possibility of physical damage. a) Metal b) Wood c) The equivalent of a or b d) None of these

a) Limit voltages due to lightning, line surges, or unintentional contact with higher-voltage lines b) Stabilize the voltage-to-ground during normal operation

Grounded electrical systems shall be connected to earth in a manner that will____.

Any of these

Grounding conductors and bonding jumpers shall be connected by a) Listed pressure connectors b) Terminal bars c) Exothermic welding D) Any of these

a and b

Hazards often occur because of _________. a) Overloading of wiring systems by methods or usage no in conformity with the NEC b) Initial wiring not providing for increases in the use of electricity c) a and b d) None of these

Second ground fault

In ungrounded systems, electrical equipment, wiring, and other electrically conductive material from any point on the wiring system to the electrical supply source to facilitate the operation of ikely to become energized shall be installed in a manner that creates a low-impedance circuit overcurrent devices should a(n) from a different phase occur on the wiring system. fault

All of these

Local metal underground systems or structures such as ______ are permitted to serve as grounding electrodes. a) Piping systems b) Underground tanks c) Underground metal well casings d) All of these

Exposed

On or attached to the surface or behind access panels designed to allow access is known as a) Open b) Uncovered c) Exposed d) Bare

Overheadbranch circuit and feederconductors

Outside wiring, such as,_______ shall not be installed beneath openings through which materials may be moved, and shall not be installed where they will obstruct entrance to these buildings' openings a ) Overheadbranch - circuit and feederconductors b) Underground branch-circuit and feeder conductors c) Lateral branch-circuit and feeder conductors d) None of these

Gooseneck

Overhead Type SE cable can be formed in a and taped with self-sealing weather-resistant thermoplastic. a) Loop b) Circle c) Gooseneck d) None of these

Service

Overhead _____ conductors shall not be installed beneath openings through which materials may be moved and shall not be installed where they will obstruct entrance to these buildings' openings. a) Service b) Lateral c) overcurrent d) None of these

Service head

Overhead service cables shall be equipped with a ______. a) Raceway b) Service head c) Cover d) All of these

Gooseneck

Overhead type SE cable can be formed in a _____ and taped with self-sealing weather-resistant thermoplastic.

Made up tight

Service metal raceways and metal-clad cables are considered effectively bonded when using threadless couplings and connectors that are______. a) Nonmetallic b) Made up tight c) Sealed d) Classified

All of these

The 3 VA per-square-foot general lighting load for dwelling units does not include a) Open porches b) Garages c) Unused or unfinished spaces not adaptable for future use d) All of these

All of these

The Code provides rules for the minimum number of receptacle outlets required in a dwelling unit. The minimum required receptacle outlets shall be in addition to receptacle outlets that are ______. a) Part of a luminaire or appliance b) Switched by a wall switch for use as required illumination c) Located more than 5-1/2 ft above the floor d) All of these

All of these

The _____ of a circuit shall be selected and coordinated to permit the circuit protective device to clear a fault without extensive damage to the electrical components of the circuit. a) Overcurrent protective devices b) Total circuit impedance c) Component short-circuit current ratings d) All of these protection

Simultaneous

The additional service disconnecting means for fi re pumps, emergency systems, legally required standby, or optional standby services, shall be installed remote from the o one to six service disconnecting means for normal service to minimize the possibility of_______ interruption of supply.

Open or closed

The disconnecting means for a build supplied by a feeder shall plainly indicate whether it is in the _______ position. a) Open or closed b) Correct c) Up or down d) None of these

Open or Closed

The disconnecting means for a build supplied by a feeder shall plainly indicate whether it is in theposition. a) Open or closed b) Correct c) Up or down d) None of these

Service entrance conductor size

The equipment bonding jumper on the supply side of services shall be sized according to the ______. a) Overcurrent device rating b) Service entrance conductor size c) Service-drop size d) Load to be served

Any of these

The grounding conductor connection to the grounding electrode shall be made by A. Listed lugs B. Exothrrmic welding C. Listed pressure connectors D. Anyof these

Qualified

Where documented safe switching by ________ individuals, the disconnecting means for a building supplied by a feeder can be located procedures are established and maintained and monitored elsewhere on the premises.

Qualified

Where documented safe switching procedures are established and maintained and monitored by______ individuals, the disconnecting means for a building supplied by a feeder can be loca elsewhere on the premises. a) Maintenance b) Management c) Service d) Qualified

Service-entrance conductors

Where service-entrance conductors are parleled in two or more raceways or cable, the bonding jumper for each raceway or cable shall be based on the size of the _______ in each raceway or cable. a) Overcurrent protection for conductors b) Grounded conductors c) Service-entrance conductors d) Sum of all conductors in the raceway

The single rod electrode shall be augmented by one additional electrode

Where the resistance-to-ground of 25 ohms or less is not achieved for single rod electrode ________. a) Other means besides electrodes shall be used in order to provide grounding b) The single rod electrode shall be augmented by one additional electrode c) No additional electrodes are required d) None of these

Any of these

______ on equipment to be grounded be removed from contact surfaces to ensure good electrical continuity. a) Paint b) Lacquer c) Enamel d) Any of these

Cut out boxes

_______ are designed for surface mounting with a swinging door. a) Outlet boxes b) Cabinets c) Cut out boxes d) None of these

Located indoors

llumination shall be provided for all working spaces about service equipment, switchboards, panelboards, and motor control centers ______. a) Over 600v b) Located indoors c) Rated 1,200A or more d) Using automatic means of control

All of these

This Code covers the installation of _______ for public and private premises, including buildings, structures, mobile homes, recreational vehicles, and floating building. a) Optical fiber cables b) Electrical equipment c) Raceways d) All of these

All of these

This Code covers the installation of for public and private premises, including buildings, structures, mobile homes, rec. vehicles, and floating building. a) Optical fiber cables b) Electrical equipment c) Raceways d) All of these