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FFA Electricity > NEC Electrical > Flashcards

NEC Electrical Flashcards

0
Q

To insure that residential wiring is correctly and safely installed most communities have adapted what for their communities?

A

Local electric codes

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1
Q

A well planned, properly installed residential wiring system will:

A

Supply all of a home owners electrical needs, be safe, be convenient

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2
Q

The first national electric code was established in:

A

1911

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3
Q

What group sponsors the NEC?

A

National fire protection Association

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4
Q

The natural electric code is commonly called the:

A

The code or NEC

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5
Q

The purpose of the national electric code is to:

A

Provide information to assure the safe installation of electrical wiring for the protection of life and property

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6
Q

The NEC is revised every:

A

Three years

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7
Q

When is the natural electric code a law?

A

It does not care the force of law unless adopted by a the governing body where it will be applied

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8
Q

What group may include special code requirements in addition to those found in the national electric code?

A

Local authorities

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9
Q

Most localities require what before the electrical installation can begin?

A

And electrical permit

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10
Q

Who is the final authority in expecting local codes and the NEC?

A

The local inspector

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11
Q

Local code amendments may:

A

Exceed the standards of the NEC and never fall below the minimum standards defined by the code.

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12
Q

A research and testing organization a test electrical materials determine if electrical products meet minimum standards for safety and quality is:

A

Underwriters laboratory.

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13
Q

Electrical device and equipment that bears the underwriters laboratory certification Mark meet what kind of standards?

A

Minimum safety standards

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14
Q

Electrical testing organizations include:

A

Underwriters laboratory, intertek testing services, Canadian standards Association

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15
Q

What is a product testing and certification organization that assures electrical products are manufactured and conform to industry standards?

A

Intertek testing services

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16
Q

An organization that testing certifies electrical products and equipment in Canada is?

A

Canadian standards Association

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17
Q

An Amp is:

A

The rate at which electrical current is measured

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18
Q

Cable is defined as:

A

Two or more conductors group together in a single unit covered by a protective sheath

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19
Q

A circuit is defined as:

A

A pass through which current flows

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20
Q

A circuit breaker is defined as:

A

A safety device that provides overcurrent protection for a circuit

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21
Q

Conductor is defined as:

A

A safety device used control the flow of electricity in a circuit

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22
Q

Current is defined as:

A

Movement of electrons through an electrical conductor

23
Q

A grounding conductor is defined as:

A

A conductor that transmits electrical current to the earth in the event of a short circuit

24
Q

What is the definition for a grounded circuit conductor?

A

The conductor that returns current under zero pressure

25
Q

What is the ground fault circuit interrupter?

A

A device that provides protection for people against shock from a short circuit

26
Q

Define hot conductor:

A

Conductor that carries electrical current to the load and an ungrounded conductor

27
Q

Define load:

A

Common name for electrical equipment and devices connected to an ungrounded conductor

28
Q

Define outlet:

A

Point on a circuit at which current is utilized for receptacles, switches, lighting, appliances, etc.

29
Q

Define neutral conductor:

A

Conductor that carries only the ampere imbalance between two ungrounded conductors.

30
Q

Define pigtail:

A

Short wire, used to connect 2/more wires

31
Q

An important consideration for any electrical job is:

A

Safety

32
Q

What type power tools should be used?

A

UL listed & double insulated

33
Q

For safety, hand tools used in electrical work should:

A

Have insulated handles

34
Q

How are power extension cords to be pulled out of a receptacle:

A

Grasp & pull directly on the plug

35
Q

The use of portable & permanent ground fault circuit during construction will help prevent:

A

Electrical shock

36
Q

What type ladders are safe in electrical work?

A

Wood or fiberglass

37
Q

Without testing the circuit, what should never be assumed?

A

That it is not energized

38
Q

What is the tool that test circuits for voltage and continuity?

A

Volt-ohm meter

39
Q

On a wooden floor house what is the horizontal framing member that attached to the steel plate and form the structural support for the floor and walls?

A

Floor joist

40
Q

On a wooden floor house what is the wood or metal structure which wrist on the top of the foundation and forms a frame which the floor joist or attached?

A

Sill plate

41
Q

On my wood floor house the floor joist are usually what dimension lumber?

A

2 by 8, 2 by 10, 2 by 12

42
Q

The lower horizontal structural parlaying law frame that rest on the subfloor concrete slab is called:

A

Bottom plate

43
Q

Vertical board to the wall framework is:

A

Wall studs

44
Q

Walls studs are made of what dimension lumber?

A

2 x 4 or 2 x 6

45
Q

The top horizontal portion of the wall framework is:

A

Top plate

46
Q

The top plate is made up of what dimension lumber?

A

2 x 4 or 2 x 6

47
Q

The horizontal framing members that rest on top of the wall framing studs and forms the ceiling framework is:

A

Ceiling joist

48
Q

The framework supported by the top plate informed through structure on the building are:

A

Rafters

49
Q

What is defined as an electrical circuit?

A

Two more conductors through which electrical current flows from a power source to electrical cable to one or more outlets

50
Q

Electrical cable is compromised of two or more wires which are usually made of what?

A

Copper or aluminum

51
Q

The local power supplier or utility company in our area is what company?

A

REA, Southwestern Electric Power Company, energy Corporation

52
Q

Kitchen countertop small appliance circuits may serve:

A

Only receptacles outlets in other adjacent room such as the pantry breakfast room and dining room

53
Q

Another name for individual equipment circuits is?

A

Dedicated circuits

54
Q

The NEC requires the bathrooms be served by special 20 ampere circuit to serve:

A

Only bathroom and no other outlets are allowed to be connected to the circuit

55
Q

Quiring plan supply By who usually often indicate the circuit routes by a system of lines that connect the outlets and switches in the wiring system?

A

Architectural and electrical engineering firms

FFA Electricity (2 decks)

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