Electric

Question 1

How do you measure the location of lights from the floor?

Answer 1

Measure from FF to the center of the box.

Question 2

How do you measure the distance from the floor to electrical boxes (excluding lights).

Answer 2

Measure from FF to the top of the box.

Question 3

What three electrical fixtures are placed at 40” AFF?

Answer 3

1. A/C Disconnects 2. Dryer outlet 3. Washer outlet

Question 4

At what height are standard bath GFCIs, bath switches and kitchen GFCIs placed?

Answer 4

48”

Question 5

At what height are the bath GFCIs under medicine cabinets placed?

Answer 5

48 1/2”

Question 6

At what height is the dishwasher/disposal outlet placed?

Answer 6

16” and the box should be set 3/4” past the stud for the cabinet

Question 7

At what height is the doorbell push button placed?

Answer 7

42”

Question 8

At what height is the doorbell chime placed?

Answer 8

12” from the lid

Question 9

At what height is the electrical panel to be placed?

Answer 9

28” from the bottom of the panel to AFF

Question 10

At what height are exterior GFCIs and interior outlets placed?

Answer 10

16”

Question 11

At what height are garage GFCIs and all standard (non-bathroom) switches placed?

Answer 11

46”

Question 12

At what height are garage door sensors placed?

Answer 12

12”

Question 13

At what height are kick lights placed?

Answer 13

16”

Question 14

At what height are under cabinet lights placed?

Answer 14

55”

Question 15

At what height are vanity lights placed?

Answer 15

Plate heights of 8’ the light is at 92”. Plate heights of 9’ and greater, the light is at 96”

Question 16

Electrical wires are to be secured every ______ feet vertically and horizontally.

Answer 16

4’

Question 17

Electrical wires are not to be in direct contact with any type of metal? True or False.

Answer 17

True

Question 18

Electrical wires are to be secured within _____ inches of a box.

Answer 18

6”

Question 19

Electrical wires are to have a minimum _____ inch clearance from any recessed can light or gas flue pipe.

Answer 19

1”

Question 20

Can a garage door push button wire be wrapped around a nail at rough?

Answer 20

No. They must all be in a box or have a mud ring.

Question 21

All metal boxes are to be properly grounded. True or False.

Answer 21

True.

Question 22

How are 4-gang boxes secured?

Answer 22

On a minimum 2 of it’s four sides

Question 23

How are gas bonds to be installed?

Answer 23

Clamp is to be securely fastened to the raw pipe with no foreign material between the bond and the pipe.

Question 24

What are the only two Shea approved ufer crimps/bonds?

Answer 24

The Burndy and the Jones Bond.

Question 25

How do you install a GFCI outlet below a medicine cabinet?

Answer 25

Horizontally and centered under the med cab

Question 26

How should a GFCI directly across from a GFCI under a medicine cabinet be installed?

Answer 26

Horizontally and centered in the wall.

Question 27

A GFCI outlet should be installed within ______ feet of the HVAC condenser unit?

Answer 27

25’

Question 28

How should exterior eave outlets be installed?

Answer 28

Directly below the eave in the stucco. Do not flex through the eave block.

Question 29

Recessed cans are to be installed with a minimum ____ inch clearance from any combustible.

Answer 29

1”

Question 30

Surface mount lights are to be installed a minimum of ____ inches (horizontally) from the front edge/nosing of the shelf.

Answer 30

18”

Question 31

What’s the rule of thumb regarding switches behind doors?

Answer 31

There are to be NO switches behind doors!!!

Question 32

Basement sump pumps are to be wired on a ____ amp separate circuit.

Answer 32

20 amp

Question 33

When a home gets an exterior courtyard with a gate/door, should there be a doorbell at the exterior portal door?

Answer 33

Yes

Question 34

How many wires can a metal pancake have running into it?

Answer 34

Only one

Question 35

Electrical wires within ____ feet of the attic access are to be fully protected.

Answer 35

6’

Question 36

How much distance must there be between the main electric panel and a sub panel? And why?

Answer 36

4” - 6” To allow for the stucco to be properly finished between the panels.

Question 37

What’s the maximum height the utility companies will allow the meter to be above finished grade?

Answer 37

6’3” but it requires a riser extension

Question 38

Wires at the electrical panel are to be secured with one cross block within _____ inches of the opening at the back of the panel.

Answer 38

12”

Question 39

What is required at openings where electrical wires extend through the electrical panel?

Answer 39

A plastic bushing (HUB)

Question 40

What should all exterior electrical penetrations have?

Answer 40

Quickflash

Question 41

All recessed lighting fixtures in insulated attics are to be what?

Answer 41

ICAT rating. In contact, air tight.

Question 42

What is a Ground Fault Circuit Interrupter (GFCI)?

Answer 42

GFCI, Ground Fault Circuit Interrupter is a fast-acting circuit breaker designed to shut off electrical power when it detects that a current is flowing along an unintended path such as a person, water, or a damaged electrical device. GFCIs required to be installed at all receptacles subject to moisture such as kitchens, baths, garages, and exterior outlets.

Question 43

What is an Arc Fault Circuit Interrupter (AFCI)?

Answer 43

Arc Fault Circuit Interrupter (AFCI) is a breaker designed to shut off power when it detects a dangerous electric arc in the circuit to help prevent fires. An AFCI distinguishes between a harmless arc typical to normal operation of switches, plugs, and motors, versus a potentially dangerous arc that can occur from a damaged or broken electrical device. AFCI breakers are required to be installed at all circuits except GFCIs and appliances.