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Home - Electrical Inspection > Electrical Basic Terms > Flashcards

Electrical Basic Terms Flashcards

1
Q

What is the formal term for “Hot or Live Wire”

A

Ungrounded Conductor

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2
Q

What is the formal term for “Neutral Wire”

A

Grounded Conductor

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3
Q

What is the formal term for “Panel Ground Wire”

A

Grounding Electrode Conductor (GEC)

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4
Q

What is the formal term for “Grounding Wire”

A

Equipment Grounding Conductor (EGC)

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5
Q

What is the formal term for “Ground Rod”

A

Grounding Electrode

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6
Q

What is the formal terminology for “Main Breaker”

A

Service Disconnect

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7
Q

What is the formal term for “Main Panel”

A

Service or Distribution Electric Panelboard with a Service Disconnect

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8
Q

What is the formal term for “Sub-Panel”

A

Distribution Panelboard Without a Service Disconnect

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9
Q

What is the formal term for “Panel Cover”

A

Dead Front

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10
Q

What is the formal term for “Wires to Outlets”

A

Branch Circuit Conductors

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11
Q

What is the formal term for “Outlet”

A

Lighting and/or Receptacle Outlet

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12
Q

What is the formal term for “Service to Remote Panel”

A

Feeder

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13
Q

Ampacity

A

The maximum current in amps that a conductor can carry without exceeding its maximum temperature rating.

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14
Q

Appliance

A

Utilization equipment that performs a function such as clothes washing or air conditioning.

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15
Q

AFCI

A

Arc-Fault Circuit Interrupter (AFCI) is a device that provides protection from arc faults by recognizing arcing and de-energizing the circuit when detected.

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16
Q

AWG

A

American Wire Gauge (AWG) is a standardized system for round, solid, nonferrous, electrically conducting wire, used since 1857. Increasing gauge numbers indicate decreasing wire diameters.

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17
Q

Bonded

A

Connected to establish electrical continuity and conductivity.

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18
Q

Branch Circuit

A

The conductors that run between the final overcurrent protective device in the panelboard and an outlet such as a receptacle or light fixture.

19
Q

Cabinet

A

A mounted enclosure with a swinging door.

20
Q

Circuit Breaker

A

A device designed to open and close a circuit manually and automatically open the circuit during overcurrent.

21
Q

Current

A

The rate of flow of electricity through a conductor, measured in amps.

22
Q

Dead Front

A

The cover of the panelboard cabinet that protects from live parts within.

23
Q

Device

A

A component of an electrical system intended to carry or control, but not utilize, electricity (e.g., switches, thermostats).

24
Q

Disconnecting Means

A

A device used to disconnect conductors of a circuit from the power supply.

25
Q

Feeder

A

The conductors between the service equipment and the final overcurrent device, commonly used for subpanels.

26
Q

kcmil

A

Conductor sizes larger than 4/0 AWG, measured in thousands of circular mils (kcmil).

27
Q

GFCI

A

Ground-Fault Circuit-Interrupter (GFCI) protects by de-energizing a circuit when a current to ground exceeds a preset value.

28
Q

Ground Wire

A

The equipment grounding conductor (EGC), usually green or bare copper, intended to carry current only during a ground fault.

29
Q

Hot Wire

A

Ungrounded current-carrying conductors, typically black.

30
Q

Line

A

The incoming power source to the electrical equipment.

31
Q

Load

A

The outgoing power from electrical equipment.

32
Q

Main Breaker

A

The main service disconnect that shuts off power to all circuits downstream.

33
Q

Meter

A

The device where the utility connects its meter to the meter socket.

34
Q

Neutral Wire

A

The grounded conductor of a circuit, typically white or gray, connecting to the grounded neutral in the service panel.

35
Q

Outlet

A

A point on the wiring system where current is taken to supply equipment, such as receptacles or light fixtures.

36
Q

Overcurrent Protection Device

A

A device, such as a circuit breaker or fuse, that opens a circuit when the current exceeds a preset value.

37
Q

Panelboard

A

A device containing busbars, terminals, overcurrent protection devices, and hardware within a cabinet.

38
Q

Receptacle

A

A contact device at an outlet for the connection of an attachment plug.

39
Q

Receptacle Outlet

A

An outlet where one or more receptacles are installed.

40
Q

Romex®

A

A trade name for nonmetallic sheathed cable used in homes, such as 14/2 or 12/2 with ground.

41
Q

Service

A

The conductors and equipment delivering energy from the utility to the home’s wiring system.

42
Q

SE and SEU Cable

A

Service-entrance cables for connecting the service drop to the meter base and panelboard.

43
Q

Nomenclature and Abbreviations

A

Common alternate ways to specify wire sizes, such as #14/2 or 10-3 w/gnd.

44
Q

Pronunciation

A

AWG is often referred to as “gauge,” and large sizes like 3/0 are pronounced as “three aught.”

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