Article 100- Definitions Part 3

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A permanently connected surge-protective device (SPD) intended for installation on the load side of the service disconnect overcurrent device, including SPDs located at the branch panel, is a "Type _____ SPD."

2

An outlet where one or more receptacles are installed is called "_____."

a receptacle outlet

An electrical datum plane is a specified distance _____ above which electrical equipment can be installed and electrical connections can be made.

above a water level

A "raceway" is

an enclosed channel designed expressly for the holding of wires, cables, or busbars, with additional functions as permitted in the Code.

A "signaling circuit" is any electrical circuit that energizes signaling equipment.

any electrical circuit that energizes signaling equipment.

"Special permission" is the written consent from the _____.

authority having jurisdiction

The circuit of a control apparatus or system that carries the electric signals directing the performance of the controller but does not carry the main power current defines a _____ circuit.

control

A _____ location is protected from weather and not subject to saturation with water or other liquids.

damp

Information and technology equipment and systems are used for creation and manipulation of _____.

data, voice, and video

A charge controller is equipment that controls _____, or both, and that is used to charge a battery or other energy storage device.

dc voltage or dc current

A "dc-to-dc converter" is a device that can provide an output _____ voltage and current at a higher or lower value than the input _____ voltage and current.

dc, dc

A _____ location may be temporarily subject to dampness and wetness.

dry

Systems of illumination utilizing fluorescent lamps, high-intensity discharge (HID) lamps, or neon tubing are all types of _____ lighting.

electric-discharge

The connection between two or more portions of the equipment grounding conductor is the definition of a(an) _____.

equipment bonding jumper

A(An) _____ is a conductive path(s) that is(are) part of an effective ground-fault current path and connects normally noncurrent-carrying metal parts of equipment together and to the system grounded conductor or to the grounding electrode conductor, or both.

equipment grounding conductor

A switch constructed so that it can be installed in device boxes or on box covers, or otherwise used in conjunction with wiring systems recognized by the NEC is called a "_____ switch."

general-use snap

The "voltage of a circuit" is defined by the Code as the _____ root-mean-square (effective) difference of potential between any two conductors of the circuit concerned.

greatest

Part III of Article 100 contains definitions which are applicable to _____.

hazardous (classified) locations

"Nonautomatic" is defined as requiring _____ to perform a function.

human intervention

A system comprised of multiple power sources that could include photovoltaic, wind, micro-hydro generators, engine-driven generators, and others, is the definition of a(an) _____ system.

hybrid

"Outline lighting" is an arrangement of _____ to outline or call attention to the shape of a building.

incandescent lamps, electric-discharge lighting, and/or electrically powered light sources

NFPA 70E, Standard for Electrical Safety in the Workplace, provides ____________.

information to help determine the electrical safety training requirements expected of a qualified person.

"Underground service conductors" are the underground conductors between the service point and the first point of connection to the service-entrance conductors in a terminal box, meter, or other enclosure, _____ the building wall.

inside or outside

Premises wiring includes _____ wiring from the service point or power source to the outlets.

interior and exterior

A raintight enclosure __________.

is constructed or protected so that exposure to a beating rain will not result in the entrance of water under specified test conditions.

"Service equipment" includes the necessary equipment connected to the utility electric system and intended to constitute the _____ of the utility electric system.

main control and disconnect

A wire that is run along with or integral with a cable or conductor to provide mechanical support for the cable or conductor is a _____.

messenger wire

A "neutral conductor" is the conductor connected to the _____ of a system, which is intended to carry current under normal conditions.

neutral point

The common point on a wye-connection in a polyphase system is a "____ _____"

neutral point

A nominal value assigned to a circuit or system for the purpose of conveniently designating its voltage class, such as 120/240V, is called "_____ voltage."

nominal

"Ungrounded" means

not connected to ground or to a conductive body that extends the ground connection.

Service conductors ________.

originate at the service point and terminate at the service disconnecting means.

A(An) "_____" is a point on the wiring system at which current is taken to supply utilization equipment.

outlet

Any current in excess of the rated current of equipment or the ampacity of a conductor is called "_____."

overcurrent

A panel, including buses and automatic overcurrent devices, designed to be placed in a cabinet or cutout box and accessible only from the front is known as a "_____."

panelboard

A "_____" is the total components and subsystem that, in combination, converts solar energy into electric energy for connection to a utilization load.

photovoltaic system

A communications raceway is an enclosed channel of nonmetallic materials designed for holding communications wires and cables; optical fiber cables; data cables associated with information technology and communications equipment; Class 2, Class 3, and Type PLTC cables; and power-limited fire alarm cables in _____ applications.

plenum, riser, and general-purpose

Electrical generating equipment supplied by any source other than a utility service, up to the source system disconnecting means defines _____.

power production equipment

According to Article 100, a _____ is the machine that supplies the mechanical horsepower to a generator.

prime mover

The NEC defines a(an) "_____" as one who has skills and knowledge related to the construction and operation of the electrical equipment and installations and has received safety training to recognize and avoid the hazards involved.

qualified perso

Constructed, protected, or treated so as to prevent rain from interfering with the successful operation of the apparatus under specified test conditions defines the term "_____."

rainproof

A contact device installed at an outlet for the connection of an attachment plug, or for the direct connection of electrical utilization equipment designed to mate with the corresponding contact device, is known as a(an) "_____."

receptacle

Electromechanical systems, equipment, apparatus, or components that are restored to operating conditions defines equipment that is or has been _____.

reconditioned

Luminaire

refers to a complete lighting unit consisting of a light source with parts designed to position the light source and connect it to the power supply. It may also include parts to protect and distribute the light.

As defined, the term "reconditioned" is frequently referred to as _____.

refurbished

Any electrical circuit that controls any other circuit through a relay or an equivalent device is called a "_____."

remote-control circuit

Equipment enclosed in a case or cabinet with a means of sealing or locking so that live parts cannot be made accessible without opening the enclosure is said to be "_____."

sealable

A(An) "_____ system" is an electrical source, other than a service, having no direct connection(s) to circuit conductors of any other electrical source other than those established by grounding and bonding connections.

separately derived

The conductors and equipment for delivering electric energy from the serving utility to the wiring system of the premises served is called a "_____."

service

"Overhead system service-entrance conductors" are the service conductors between the terminals of the _____ and a point where they are joined by a tap or splice to the service drop or overhead service conductors.

service equipment

"Underground system service-entrance conductors" are the service conductors between the terminals of the _____ and the point of connection to the service lateral or underground service conductors.

service equipment

The "_____" is the necessary equipment, usually consisting of a circuit breaker(s) or switch(es) and fuse(s) and their accessories, connected to the load end of service conductors, and intended to constitute the main control and cutoff of the supply.

service equipment

The underground conductors between the utility electric supply system and the service point are known as the "_____."

service lateral

"Overhead service conductors" are the conductors between the _____ and the first point of connection to the service-entrance conductors at the building or other structure.

service point

A "service drop" is defined as the overhead conductors between the utility electric supply system and the _____.

service point

The "_____" is the point of connection between the facilities of the serving utility and the premises wiring

service point

A "stand-alone system" __________.

supplies power independently of an electrical production and distribution network.

A "structure" is

that which is built or constructed, other than equipment.

Electrical generating equipment supplied by any source other than a(an) _____, up to the source system disconnecting means is the definition of power production equipment.

utility service

An appliance is

utilization equipment, generally other than industrial, that is normally built in standardized sizes or types and is installed or connected as a unit to perform one or more functions such as food mixing, deep frying and so forth.

An enclosure constructed so that moisture will not enter the enclosure under specific test conditions is called "_____."

weatherproof

Conduit installed underground or encased in concrete slabs that are in direct contact with the earth is considered a _____ location.

wet

A single receptacle is a single contact device with no other contact device on the same _____.

yoke

A duplex receptacle is an example of a multiple receptacle that has two receptacles on the same _____.

yoke or strap


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