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Flashcards in Electrical Deck (25):
1

Describe the stated electrical warranty given by NVR

1 year on switches
2 year on wiring behind drywall/insulation

2

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

10/2

3

Describe the difference between a fuse and a circuit breaker?

Fuse- piece melts and then trips the breaker
Circuit breaker-excess electric flow energizes a magnet which breaks circuit.

4

What is a GFCI

Ground Fault Circuit Interrupter

5

Describe a panel box

Box that has all the electrical circuits on it.

6

what is a temporary power pole?

temporary power given before Final Electrical

7

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

Yes

8

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

12" minimum

9

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

Kitcchen, exterior, garage, mechanical room, bathroom

10

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

COLD

11

what is the purpose of a ground rod?

to locate lines after backfill

12

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

1/2' drywall

13

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

8'

14

draw symbol: Duplex receptacle

pg 3

15

draw symbol: way switch

pg 3

16

draw symbol: mounted light

pg 3

17

draw symbol: /GFI

pg 3

18

draw symbol: smoke detector

pg 3

19

draw symbol: exhaust fan

pg 3

20

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

to protect cable from damage at backfill

21

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

it stops fires and its used in sleeping areas

22

are CATV and Phone locations show on NVR Blueprints?

No

23

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

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

24

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

Call electrical contractor

25

who is responsible for damaged fixtures ?

subcontractor