Electric Flashcards
How do you measure the location of lights from the floor?
Measure from FF to the center of the box.
How do you measure the distance from the floor to electrical boxes (excluding lights).
Measure from FF to the top of the box.
What three electrical fixtures are placed at 40” AFF?
- A/C Disconnects 2. Dryer outlet 3. Washer outlet
At what height are standard bath GFCIs, bath switches and kitchen GFCIs placed?
48”
At what height are the bath GFCIs under medicine cabinets placed?
48 1/2”
At what height is the dishwasher/disposal outlet placed?
16” and the box should be set 3/4” past the stud for the cabinet
At what height is the doorbell push button placed?
42”
At what height is the doorbell chime placed?
12” from the lid
At what height is the electrical panel to be placed?
28” from the bottom of the panel to AFF
At what height are exterior GFCIs and interior outlets placed?
16”
At what height are garage GFCIs and all standard (non-bathroom) switches placed?
46”
At what height are garage door sensors placed?
12”
At what height are kick lights placed?
16”
At what height are under cabinet lights placed?
55”
At what height are vanity lights placed?
Plate heights of 8’ the light is at 92”. Plate heights of 9’ and greater, the light is at 96”
Electrical wires are to be secured every ______ feet vertically and horizontally.
4’
Electrical wires are not to be in direct contact with any type of metal? True or False.
True
Electrical wires are to be secured within _____ inches of a box.
6”
Electrical wires are to have a minimum _____ inch clearance from any recessed can light or gas flue pipe.
1”
Can a garage door push button wire be wrapped around a nail at rough?
No. They must all be in a box or have a mud ring.
All metal boxes are to be properly grounded. True or False.
True.
How are 4-gang boxes secured?
On a minimum 2 of it’s four sides
How are gas bonds to be installed?
Clamp is to be securely fastened to the raw pipe with no foreign material between the bond and the pipe.
What are the only two Shea approved ufer crimps/bonds?
The Burndy and the Jones Bond.
How do you install a GFCI outlet below a medicine cabinet?
Horizontally and centered under the med cab
How should a GFCI directly across from a GFCI under a medicine cabinet be installed?
Horizontally and centered in the wall.
A GFCI outlet should be installed within ______ feet of the HVAC condenser unit?
25’
How should exterior eave outlets be installed?
Directly below the eave in the stucco. Do not flex through the eave block.
Recessed cans are to be installed with a minimum ____ inch clearance from any combustible.
1”
Surface mount lights are to be installed a minimum of ____ inches (horizontally) from the front edge/nosing of the shelf.
18”
What’s the rule of thumb regarding switches behind doors?
There are to be NO switches behind doors!!!
Basement sump pumps are to be wired on a ____ amp separate circuit.
20 amp
When a home gets an exterior courtyard with a gate/door, should there be a doorbell at the exterior portal door?
Yes
How many wires can a metal pancake have running into it?
Only one
Electrical wires within ____ feet of the attic access are to be fully protected.
6’
How much distance must there be between the main electric panel and a sub panel? And why?
4” - 6” To allow for the stucco to be properly finished between the panels.
What’s the maximum height the utility companies will allow the meter to be above finished grade?
6’3” but it requires a riser extension
Wires at the electrical panel are to be secured with one cross block within _____ inches of the opening at the back of the panel.
12”
What is required at openings where electrical wires extend through the electrical panel?
A plastic bushing (HUB)
What should all exterior electrical penetrations have?
Quickflash
All recessed lighting fixtures in insulated attics are to be what?
ICAT rating. In contact, air tight.
What is a Ground Fault Circuit Interrupter (GFCI)?
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.
What is an Arc Fault Circuit Interrupter (AFCI)?
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.
