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Electric. > Terms. > Flashcards

Terms. Flashcards

0
Q
  1. A branch circuit that supplies a number of outlets for lighting and appliances?
A

Branch circuit, general purpose.

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1
Q
  1. The circuit conductors between the final OC (breaker or fuze) and the outlet or outlets it supplies?
A

Branch circuit.

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2
Q
  1. A branch circuit supplying only one piece of equipment?
A

Individual branch circuit.

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3
Q
  1. A branch circuit consisting of two hot conductors having a 240 volt potential between them and a grounded conductor having 120 volt difference between it and each conductor?
A

Multi-wire (residential) branch circuit.

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4
Q
  1. A branch circuit supplying portable (can be unplugged and moved without tools) household kitchen appliances?
A

Small appliance branch circuit.

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5
Q
  1. A device that start and stop motors?
A

Controller.

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6
Q
  1. Equipment that carries but does not use electricity. Examples are receptacles, switches, and circuit breakers?
A

Device.

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7
Q
  1. A non-current-carrying conductor that provides an alternative path for equpment faults?
A

Equipment grounding conductor.

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8
Q
  1. Conductor supplying panel-boards other than service panels?
A

Feeder.

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9
Q
  1. A curve at the top of a service entrance cable designed to prevent water from entering the open end of the cable?
A

Gooseneck.

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10
Q
  1. A current-carrying conductor that is connected to earth and that may be a neutral?
A

Grounded conductor.

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11
Q
  1. Current traveling on an unintended path such as an equipment grounding conductor or equipment enclosure?
A

Ground fault.

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12
Q
  1. Visible without obstructions and within 50 feet?
A

In sight.

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13
Q
  1. An electrical panel for which more tan 10% of the circuits are rated at or less than 30 amps and are supplied with neutrals?
A

Lighting and appliance panel.

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14
Q
  1. The electrical demand in watts or hp of a piece of electrical equipment?
A

Load.

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15
Q
  1. The term now used to describe lighting fixtures?
A

Luminaire.

16
Q
  1. Individual conductors not contained within a raceway or cable sheathing?
A

Open conductors.

17
Q
  1. The guts of an electrical panel - the assembly of busbars, terminal bars, etc. designed to be placed in a cabinet?
A

Panel-boards. What is commonly called an electrical panel is, by NEC terms, a panel-board mounted in a cabinet.

18
Q
  1. The overhead conductors supplied by the utility?
A

Service drop.

19
Q
  1. The conductors on the customer’s premises that convey power to the service equipment?
A

Service entrance conductors.

20
Q
  1. The equipment at which the power conductors entering the building can be switched off to disconnect the premise’s wiring from the utility power source?
A

Service equipment.

21
Q
  1. Underground service entrance conductosr?
A

Service lateral.

22
Q
  1. The point where the service drop and service entrance meet-it is the handoff between the utility and the customer?
A

Service point.

23
Q
  1. A typical wall switch, including 3-way and 4-way switches?
A

Snap switch.

24
Q
  1. A concrete encased grounding electrode, named after the developer of the system, Herbert Ufer.
A

Ufer.

25
Q
  1. A switch that is an integral part of an appliance?
A

Unit switch.

26
Q
  1. Available power from a transformer , measured in VA?
A

Apparent power.

27
Q
  1. What is individual counter space?
A

Undivided by sink or cook top.

28
Q
  1. How can heat be expressed mathematically?
A

As watts = IxIxR.

29
Q
  1. What temperature does paper burn?
A

At about 451*F.

30
Q
  1. Temperature rating of conductor insulation and typical breakers and equipment terminations?
A
  1. Conductor insulation: 60C, 75C, 90*C.

2. Breakers and equipment terminations: 60C, 75C.

31
Q
  1. Complete systems of conduit or tubing through which conductors are installed?
A

Raceways.

32
Q
  1. What is breaker lock out?
A

Device that keep breaker in shut off position.

33
Q
  1. Other name for 3 way switch?
A

A single-pole double-throw switch.

34
Q
  1. Why is hydromassage tub not a spa?
A

Because it is emptied after each use.

Electric. (8 decks)

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