definition quiz six

Authority having jurisdiction

Special permission is the written consent from the _____.

General use

A switch intended for use in general distribution and branch circuits is called a _____ switch.

Signaling circuit

A ____ is any electrical circuit that energizes signalling equipment.

Type 2

A surge protection device (spd) intended for installation on the load side of the service disconnect overcurrent device, including SPD's located at the branch circuit panel, is a ____ SPD.

General use

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.

Nominal

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

Weatherproof

A(n) ____ enclosure is constructed or protected so that exposure to the weather will not interfere with successful operation.

Watertight

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

Ungrounded

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

Structure

That which is built or constructed.

Service disconnect

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

Service point

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

Service equipment

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

Short circuit current rating

The prospective symmetrical fault current at a nominal voltage to which an apparatus or system is able to be connected without sustaining damage exceeding defined acceptance criteria is known as _____.

Service point

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

Inside, outside

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.

Service lateral

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

Service equipment

The underground system service entrance conductors are the service conductors between the terminals of ____ and the point of connection to the service lateral or underground service conductors.

Greatest

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.

Electromechanical, heating, lighting

Utilization equipment is equipment that utilizes electricity for _____ purposes.