1 st topek Flashcards

(42 cards)

1
Q

A unit of measurement of electrical current

A

Ampere

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2
Q

A unit of power which is equivalent to 1000w

A

kilowatt(w)

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3
Q

A wire or cord which provides for current flow

A

Conductor

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4
Q

The quality of electrical current in ohms that resist the flow of current

A

resistance

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5
Q

resistance is measured in

A

ohms

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6
Q

Material used to cover electrical wires which may be made from plastic, rubber or asbestos

A

insulator

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7
Q

Are implements used to modify raw materials for human use

A

tools

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8
Q

Accessories that are used to connect from boxes to conduits or raceways to the other boxes in the electrical system

A

Connectors and Adapters

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9
Q

Plastic conduits or raceways designed to be a channel of wire that are classified as rigid non metallic or PVC. The flexible non metallic or Cpc, and the surface plastic molding

A

Non-metallic conduits

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10
Q

Metal raceways or conduits

A

metallic conduits

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11
Q

The 4 types of metallic conduits are

A

Rigid Steel conduit, intermediate metallic conduit, electrical metallic conduit or tubing, and the flexible metallic conduit

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12
Q

The blade tip is wedge-shaped and resembles a negative(-) sign

A

Flathead screwdriver

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13
Q

This is a cross tip resembling a positive(+) sign. this is used to drive screws with cross slot head

A

Philips screwdriver

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14
Q

This could be the shape of a screw driver or wrench used to to drive screws with hexagonal slots head

A

Allen screwdriver

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15
Q

These are tools used in driving or pounding and pulling out nails.

A

Hammer

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16
Q

THE THREE TYPES OF HAMMER ARE

A

Claw Hammer, Mallet, Ballpeen Hammer

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17
Q

this type of pliers is used for cutting fine, medium and big wires and cables

A

cutting pliers or side cutting pliers

18
Q

This type of pliers is used for gripping, holding, and cutting electrical wires and cables and even small nails. They are usually used by linemen in doing heavy tasks.

A

Combination pliers

19
Q

The type of pliers used for cutting and holding fine wires. this can reach tight spaces or small opening where other pliers cannot reach.

A

Long Nose pliers

20
Q

A tool used for removing insulation of medium sized wires ranging from gauge#10 to gauge #16

A

Wire Stripper

21
Q

This is used by linemen to remove insulation of wire and cables in low and high voltage transmission lines

A

Electrician’s Knife

22
Q

A small drilling machine

A

Portable electricl drill

23
Q

This is used to cut metal conduits and armored cable

24
Q

A pocket size tool used to test the line wire or circuit if there is a current in it

25
Is used to measure the diameter of wires/conductors in circular mils
micrometer
26
is used in determining the size of wires and conductors
Wire gauge
27
is a measuring tool used to measure the length of an object in centimeters and inches
pull-push rule
28
is a measuring object used to measure length, width, and thickness of short flat objects
Ruler/foot rule
29
is also called tong tester
Clamp ammeter
30
it is used to measure current flowing in a conductor
clamp ammeter
31
is an instrument used to measure the amount of electrical current
Ammeter
32
Is an instrument used to measure electrical pressure or voltage in a circuitj
voltmeter
33
an instrument used to measure the insulation resistance if conduits or wires - is also called mega ohm meter
Megger
34
is used to calculate electrical consumption
Kwh meter
35
is used to measure voltage, resistance and current of a circuit
Volt-Ohmmeter or multi-tester
36
A kind of joint commonly used to join two or more conductors inside the junction box
Rat tail or Pig tail
37
A method of wrapping used on small cables because the strands are flexible and all can be wrapped in one operation
Y-splice
38
This is used where the tap wire is under heavy tensile stress
Knotted tap joint
39
This is used where the tap wire is under considerable tensile stress
Plain Tap joint
40
A two-Tapped wire turned simultaneously and is used where the the two tap wire is under heavy tensile stress
Duplex Cross Joint
41
Is done the same as in plain tap, the only difference is that this tap is a combination of two plain taps side by side with each other
Cross Joint
42
Used as an large solid conductors where it is difficult to wrap the heavy tap wire around the main wire
Wrapped tap or tee join