Electrical Flashcards
Where is the electricity brought into the house?
Service entrance
Is the inspector required to remove the panel cover?
If it is safe
What is a GFCI and where would you use them?
Ground fault circuit interrupt her, wet or damp locations such as kitchens basement and bathrooms
True or false: SOP does not require us to test outlets and amps etc…?
True
How fast or how many miles per second is electricity move?
186,000 miles per second
What is NEC and do?
National electric code, standards for safe installation of wiring and equipment
What is NFPA?
National fire prevention Association, Worlds leading advocate of fire prevention with 300 codes and standards
True or false, A cord on a light could be UL approved but not the light?
True
True or false NYSOP did not require us to use specialize equipment, and does not require insertion into the panel?
True
What is an induction tester, tic?
Test for leakage of electricity
Which side of the plug outlet is the hot side?
The small side
How many outlets and switches should be inspected in a home
A representative number
What is K and T wiring?
Knob and tube, and is no longer used but should be documented, lasted approx 1920-1950
What is the difference between a service drop any service lateral?
Drop comes from the wires up above, lateral comes from the ground
True or false, service lines usually consist of two blackout wires. 120 V each
True, total of 240 for most houses
How many wires Cary power to the panel?
Two black and 120 V each and a white which is neutral
What is Ducs seal?
Grey putty like material, prevents air, drafts, insect, animals from entering supply side of panel.
What kind of pipe can you run electrical wires through?
Gray conduit, or metal conduit, not PVC
What is tech 90?
Hey heavily insulated jacket over wires, our house
What is a guy wire and when should I be used?
A guy wire is required on a 2” thick pipe and 24” high or 2.5” thick and 36” high.
Can electrical wires crossed over a roof?
No
Name the minimum wire clearance over the following: Driveway Roadway Deck Walkway
Drive 12’ feet, road 18 feet, Deck 8 to 10 feet, Walk 10 feet
True or false, running copper into aluminum is OK?
False
What’s the usual distance from the wire to the meter outside the house?
9 to 10 feet over or underground’s
What side of the house to the meter be on?
Driveway side
What’s the typical fuse panel rating for fuses at the house, camp?
60-125 amps
How many devices can a typical 15 amp circuit Cary?
12 lights or outlets combined
Using a fuse higher than what the panels are rated for is unsafe true or false?
True
How far do wires have to be from window?
3’
What’s the average size amp panel for homes now days?
150 amps
True or false, the higher the number regarding wire the thinner and less amps carried?
True
14 wire carries 15 amps,
12 wire carries 20 amps
What is the unobstructed distance around a service panel?
3 feet in the front and 30 inches on each side
What’s the problem with 60 amps and 6 gauge wire?
Dangerous, they look the same
If a home has a 60 amp service with knob and tube in number six wire with the insurance company insure the home?
Nope
minimum standard for residential properties using electric resistant heating for panel amps?
200
What is the only time that supply lines may differ and size?
When supply lines are able to carry 200 A to the meter while the smaller ones coming from the meter may only carry 150
What mills amps will a GFCI ground fault circuit interrupter trip?
5to7 Milla amps
True or faults a rug covered concrete does not illuminate the requirement for a GFCI?
True
What is an AFCI?
Arc fault circuit interrupter, Protects against wires arcing, used for bedrooms
What is the difference between an AFCI AND A GFCI?
Fires vs water shock
Define amperage?
The flow rate of electricity
What is overloading the circuit?
The fuse or breaker rating size exceeds the wire size or gauge
Typical problems discovered with gfci tester?
2 prong outlets, open grounds, reverse polarity,
What is wrong with aluminum wire?
Brittle and breaks
True or false? Black or hot always goes on brass
True
Single strand aluminum wire is no longer allowed?
True
What was awkward about knob and tube wiring?
Both wires were black risky for reverse polarity, and there was no ground
True or fals: non conductive tools can only be used for and electrical inspection?
True
Where is the electrical inspection first begin?
At the street
How many volts are on each buss bar?
120
Most common type of outside power supply?
Utility poles
True or false: the the cable distance from the meter to the panel should not exceed 10’
True
Nothing is allowed to be connected to the service cable? True/false
True, nothing
Define a bollard?
Concrete protective post protects power zone
Tru/false? A bare neutral wire may be used in place of an insulated wire
True, if it’s run in plastic conduit
What is considered double tapped?
Two wires connected to a single pole breaker
