definitions

Question 1

Concealed

Answer 1

Rendered inaccessible by the structure or finish of the building

Question 2

Cabinet

Answer 2

An enclosure that is designed for either surface mounting or flush and is provided with a frame, mat or trim in which a swinging door or doors that are hung

Question 3

Control Circuit

Answer 3

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

Question 4

Demand Factor

Answer 4

The ratio of the maximum demand of a system

Question 5

Devise

Answer 5

A unit of an electrical system, (other than the conductor) that carries or controls electric energy as its principal function

Question 6

Equipment

Answer 6

A general term including fitting, devises appliances, luminaire, apparatus, machinery, and the like used as a part of or in connection with an electrical installation

Question 7

Fitting

Answer 7

An accessory such as a locknut, bushing or other part of the a wiring system that is intended primarily to perform a mechanical rather than an electric function

Question 8

Within sight from

Answer 8

To be visible from and not more than 50’

Question 9

Outlet

Answer 9

A point on the wiring system at which current is taken to supply utilization equipment

Question 10

Automatic

Answer 10

Performing a function without the necessity of human intervention

Question 11

Watertight

Answer 11

Constructed so that moisture will not enter the enclosure under specific test conditions

Question 12

Weatherproof

Answer 12

Constructed or protected so that exposure to the weather will not interfere with successful operation

Question 13

Approved

Answer 13

Acceptable to the AHJ

Question 14

Listed

Answer 14

Equipment materials or services included in a list acceptable by the AHJ, Concerned with the evaluation of services or goods

Question 15

Cover

Answer 15

The area between the top of direct-burial cable and the top surface of the finished grade

Question 16

Limited care facility

Answer 16

Used on a 24hr period for elderly, changed, depend persons

Question 17

Ampacity

Answer 17

The maximum current in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating

Question 18

Impedance

Answer 18

Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.

Question 19

Inductance

Answer 19

inductance is the property of a conductor by which a change in current flowing through it induces (creates) a voltage (electromotive force) in both the conductor itself (self-inductance)[1] and in any nearby conductors (mutual inductance).[1]