Electrical Flashcards
Describe the stated electrical warranty given by NVR
1 year on switches
2 year on wiring behind drywall/insulation
Which is a heavier wire 10/2 or 14/2?
10/2
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.
What is a GFCI
Ground Fault Circuit Interrupter
Describe a panel box
Box that has all the electrical circuits on it.
what is a temporary power pole?
temporary power given before Final Electrical
when hooking up a power pole, is a ground rod required?
Yes
When using underground cable, what is the minimum depth acceptable under he electrical code
12” minimum
what outlets in the home should be connected to a GFCI?
Kitcchen, exterior, garage, mechanical room, bathroom
when grounding to a copper water line, do you ground to the hot or cold line?
COLD
what is the purpose of a ground rod?
to locate lines after backfill
How far should you hold your outlet boxes away from the face of studs to allow for the installation of drywall?
1/2’ drywall
If two ground rods are required, what is the footage required between the rods?
8’
draw symbol: Duplex receptacle
pg 3
draw symbol: way switch
pg 3
draw symbol: mounted light
pg 3
draw symbol: /GFI
pg 3
draw symbol: smoke detector
pg 3
draw symbol: exhaust fan
pg 3
what is the purpose of using sand or conduit around your entrance cable?
to protect cable from damage at backfill
what is mean by arc fault protection and where is this used?
it stops fires and its used in sleeping areas
are CATV and Phone locations show on NVR Blueprints?
No
List 2 potential safety violations that you may encounter during electrical phase
- not wearing rubber shoes
- not wearing high voltage gloves
- leaving circuits uncovered
what is the procedure for returning damaged fixtures? who is responsible?
Call electrical contractor
who is responsible for damaged fixtures ?
subcontractor
