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HI Module 4 > Electrical > Flashcards

Electrical Flashcards

1
Q

Where is the electricity brought into the house?

A

Service entrance

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2
Q

Is the inspector required to remove the panel cover?

A

If it is safe

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3
Q

What is a GFCI and where would you use them?

A

Ground fault circuit interrupt her, wet or damp locations such as kitchens basement and bathrooms

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4
Q

True or false: SOP does not require us to test outlets and amps etc…?

A

True

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5
Q

How fast or how many miles per second is electricity move?

A

186,000 miles per second

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6
Q

What is NEC and do?

A

National electric code, standards for safe installation of wiring and equipment

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7
Q

What is NFPA?

A

National fire prevention Association, Worlds leading advocate of fire prevention with 300 codes and standards

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8
Q

True or false, A cord on a light could be UL approved but not the light?

A

True

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9
Q

True or false NYSOP did not require us to use specialize equipment, and does not require insertion into the panel?

A

True

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10
Q

What is an induction tester, tic?

A

Test for leakage of electricity

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11
Q

Which side of the plug outlet is the hot side?

A

The small side

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12
Q

How many outlets and switches should be inspected in a home

A

A representative number

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13
Q

What is K and T wiring?

A

Knob and tube, and is no longer used but should be documented, lasted approx 1920-1950

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14
Q

What is the difference between a service drop any service lateral?

A

Drop comes from the wires up above, lateral comes from the ground

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15
Q

True or false, service lines usually consist of two blackout wires. 120 V each

A

True, total of 240 for most houses

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16
Q

How many wires Cary power to the panel?

A

Two black and 120 V each and a white which is neutral

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17
Q

What is Ducs seal?

A

Grey putty like material, prevents air, drafts, insect, animals from entering supply side of panel.

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18
Q

What kind of pipe can you run electrical wires through?

A

Gray conduit, or metal conduit, not PVC

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19
Q

What is tech 90?

A

Hey heavily insulated jacket over wires, our house

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20
Q

What is a guy wire and when should I be used?

A

A guy wire is required on a 2” thick pipe and 24” high or 2.5” thick and 36” high.

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21
Q

Can electrical wires crossed over a roof?

A

No

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22
Q 
Name the minimum wire clearance over the following:
Driveway
Roadway
Deck
Walkway
A

Drive 12’ feet, road 18 feet, Deck 8 to 10 feet, Walk 10 feet

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23
Q

True or false, running copper into aluminum is OK?

A

False

24
Q

What’s the usual distance from the wire to the meter outside the house?

A

9 to 10 feet over or underground’s

25
Q

What side of the house to the meter be on?

A

Driveway side

26
Q

What’s the typical fuse panel rating for fuses at the house, camp?

A

60-125 amps

27
Q

How many devices can a typical 15 amp circuit Cary?

A

12 lights or outlets combined

28
Q

Using a fuse higher than what the panels are rated for is unsafe true or false?

A

True

29
Q

How far do wires have to be from window?

A

3’

30
Q

What’s the average size amp panel for homes now days?

A

150 amps

31
Q

True or false, the higher the number regarding wire the thinner and less amps carried?

A

True
14 wire carries 15 amps,
12 wire carries 20 amps

32
Q

What is the unobstructed distance around a service panel?

A

3 feet in the front and 30 inches on each side

33
Q

What’s the problem with 60 amps and 6 gauge wire?

A

Dangerous, they look the same

34
Q

If a home has a 60 amp service with knob and tube in number six wire with the insurance company insure the home?

A

Nope

35
Q

minimum standard for residential properties using electric resistant heating for panel amps?

A

200

36
Q

What is the only time that supply lines may differ and size?

A

When supply lines are able to carry 200 A to the meter while the smaller ones coming from the meter may only carry 150

37
Q

What mills amps will a GFCI ground fault circuit interrupter trip?

A

5to7 Milla amps

38
Q

True or faults a rug covered concrete does not illuminate the requirement for a GFCI?

A

True

39
Q

What is an AFCI?

A

Arc fault circuit interrupter, Protects against wires arcing, used for bedrooms

40
Q

What is the difference between an AFCI AND A GFCI?

A

Fires vs water shock

41
Q

Define amperage?

A

The flow rate of electricity

42
Q

What is overloading the circuit?

A

The fuse or breaker rating size exceeds the wire size or gauge

43
Q

Typical problems discovered with gfci tester?

A

2 prong outlets, open grounds, reverse polarity,

44
Q

What is wrong with aluminum wire?

A

Brittle and breaks

45
Q

True or false? Black or hot always goes on brass

A

True

46
Q

Single strand aluminum wire is no longer allowed?

A

True

47
Q

What was awkward about knob and tube wiring?

A

Both wires were black risky for reverse polarity, and there was no ground

48
Q

True or fals: non conductive tools can only be used for and electrical inspection?

A

True

49
Q

Where is the electrical inspection first begin?

A

At the street

50
Q

How many volts are on each buss bar?

A

120

51
Q

Most common type of outside power supply?

A

Utility poles

52
Q

True or false: the the cable distance from the meter to the panel should not exceed 10’

A

True

53
Q

Nothing is allowed to be connected to the service cable? True/false

A

True, nothing

54
Q

Define a bollard?

A

Concrete protective post protects power zone

55
Q

Tru/false? A bare neutral wire may be used in place of an insulated wire

A

True, if it’s run in plastic conduit

56
Q

What is considered double tapped?

A

Two wires connected to a single pole breaker

HI Module 4 (6 decks)

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