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Construction Inspector First Test > 5th Test > Flashcards

5th Test Flashcards

1
Q

What are the cheapest type of poles

A

Wood

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2
Q

What are some non wood poles / structures

A

Aluminum concrete fiberglass and steel

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3
Q

How do you determine the whole depth used for poles

A

Is determined by the pole type and soil

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4
Q

Four classes of insulators for poles

A

Pin post suspension and strain

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5
Q

What are conductors for overhead lines made out of

A

Stranded or solid aluminum copper steel

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6
Q

What’s another name for a down guy

A

Anchor

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7
Q

What do grounds protect

A

Equipment

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8
Q

When would you use underground electrical distribution systems

A

When ordinance codes require its use or overhead is unsightly

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9
Q

Two types of underground electrical distribution systems

A

Direct buried and conduit encased in concrete

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10
Q

Where are underground electrical distribution systems used

A

Industrial areas residential and airfields

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11
Q

Another name for a manhole

A

Splice chamber or cable vault

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12
Q

What is a riser and what must it go into

A

Underground connection to overhead via riser goes into pothead

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13
Q

All Ferris hardware used in Pole line construction must be what

A

Standard line galvanized steel

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14
Q

What is the pitch in a duct system underground

A

3 in per 100 ft for draining

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15
Q

How to lay ducks

A

Is began midway between manholes and when ducks May flare out

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16
Q

When does interior wiring begin

A

Begins where distribution system service connects to building and extends throughout known as service entrance

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17
Q

How often is the NEC published and who publishes it

A

Every three years by the NFPA

18
Q

What sub part houses electrical in the 29 CFR

A

Subpart k

19
Q

What should portable tools always be plugged into and should have what

A

Should have a third prong for a ground and should always be plugged into a GFCI

20
Q

What is the simplest wiring system

A

Two wire single phase 50 amps or less usually for lighting

21
Q

What is the most common wiring system

A

Three wire single phase
110/220 lighting and power
Heating and air conditioning

22
Q

What are the four types of wiring systems

A

2 wire single phase
3 wire single phase
3 wire 3 phase
4 wire 4 phase

23
Q

What are three types of service disconnects

A

Knife blade
fuse block
breaker which is the most common

24
Q

Are three types of nmsc

A

NM insulated conductor non-metallic jacket
Nmc insulated conductor non corrosive jacket
Nms signaling and data non-metallic

25
Q

What’s another name for Romex

A

Nmsc

26
Q

How often should data be stamped on Romex

A

Every 24 in

27
Q

What are octagonal boxes used for

A

Lighting outlets

28
Q

What are round boxes used for

A

Overhead for lighting

29
Q

What’s the mounting height for wall switches

A

48 in

30
Q

What’s the mounting height for receptacle outlets

A

18 in

31
Q

What’s the mounting height for bed lights

A

72 in

32
Q

What are the types of electrical tests

A

D Energizer operational test
Operational test
Continuity test
High potential
Resistance testing

33
Q

Grounds to metallic water pipe system should be made on what side of meter

A

Streetside

34
Q

The system neutral equipment grounds should be grounded on what side of the service disconnect

A

Should be grounded on the supply side

35
Q

How is an electrical continuity test verified by QC

A

Visually

36
Q

Which type of conduit is used for service entrance raceways

A

RMC

37
Q

Are running threads allowed at couplings

A

No

38
Q

Runs in wet areas should have at least how much space between conduit and wall

A

1/4 in

39
Q

What color is the grounded conductor

A

White or gray

40
Q

What color is the grounding conductor

A

Green or bear

41
Q

Branch circuit conductors within 3 in of ballast shall be for use at what temperatures

A

No lower than 90° c

42
Q

Panel boards must have what filled out

A

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Construction Inspector First Test (5 decks)

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