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PTP Exam > Electrical > Flashcards

Electrical Flashcards

1
Q

Describe the stated electrical warranty given by NVR

A

1 year on switches

2 year on wiring behind drywall/insulation

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2
Q

Which is a heavier wire 10/2 or 14/2?

A

10/2

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3
Q

Describe the difference between a fuse and a circuit breaker?

A

Fuse- piece melts and then trips the breaker

Circuit breaker-excess electric flow energizes a magnet which breaks circuit.

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4
Q

What is a GFCI

A

Ground Fault Circuit Interrupter

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5
Q

Describe a panel box

A

Box that has all the electrical circuits on it.

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6
Q

what is a temporary power pole?

A

temporary power given before Final Electrical

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7
Q

when hooking up a power pole, is a ground rod required?

A

Yes

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8
Q

When using underground cable, what is the minimum depth acceptable under he electrical code

A

12” minimum

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9
Q

what outlets in the home should be connected to a GFCI?

A

Kitcchen, exterior, garage, mechanical room, bathroom

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10
Q

when grounding to a copper water line, do you ground to the hot or cold line?

A

COLD

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11
Q

what is the purpose of a ground rod?

A

to locate lines after backfill

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12
Q

How far should you hold your outlet boxes away from the face of studs to allow for the installation of drywall?

A

1/2’ drywall

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13
Q

If two ground rods are required, what is the footage required between the rods?

A

8’

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14
Q

draw symbol: Duplex receptacle

A

pg 3

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15
Q

draw symbol: way switch

A

pg 3

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16
Q

draw symbol: mounted light

A

pg 3

17
Q

draw symbol: /GFI

A

pg 3

18
Q

draw symbol: smoke detector

A

pg 3

19
Q

draw symbol: exhaust fan

A

pg 3

20
Q

what is the purpose of using sand or conduit around your entrance cable?

A

to protect cable from damage at backfill

21
Q

what is mean by arc fault protection and where is this used?

A

it stops fires and its used in sleeping areas

22
Q

are CATV and Phone locations show on NVR Blueprints?

A

No

23
Q

List 2 potential safety violations that you may encounter during electrical phase

A
  1. not wearing rubber shoes
  2. not wearing high voltage gloves
  3. leaving circuits uncovered
24
Q

what is the procedure for returning damaged fixtures? who is responsible?

A

Call electrical contractor

25
Q

who is responsible for damaged fixtures ?

A

subcontractor

PTP Exam (44 decks)

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