Electrical Basics
Outdoor wire classified as UF is used to do what?
Bury underground as feeder wire.
What tool cuts a “V” in wood so a screw head will sit flush?
Countersink.
What nail has a flat head and diamond-shaped point?
Common nail.
How many sheets of 4×8 plywood cover an 8′ × 44′ wall?
11 sheets.
What is used to show a building as though it were cut in half?
Sectional view.
A 5-amp motor on a 120-volt circuit uses how many watts?
600 watts.
A major problem in balloon-type framing is no ________.
Platform to stand on.
Engineered strands/flakes glued together into 4×8 panels are called what?
OSB.
How many square feet in a 20′ × 20′ building?
400 sq ft.
What type of line shows hidden edges in a drawing?
Series of dashes.
What type of connector is turned onto wires to make a pigtail splice?
Solderless (wire nut).
In platform framing, the subfloor is nailed to the ________.
Joists.
Aluminum wire requires what size difference when replacing copper?
One size larger.
Two equal diagonal measurements mean corners are what?
Square.
A fastener used for lightweight metal structures?
Stove bolts.
The color of a hot wire should be what?
Black or red.
Trimmer studs for doors are installed where?
On each side.
Moisture in or on wood causes paint to do what?
Blister and peel.
Electric bill for 120 kWh at $0.13/kWh?
$15.60.
What nail should Jane use if she needs to set nails after driving them?
Finishing nails.
How many traveler wires are used with two 3-way switches and one 4-way switch?
Four.
When platform-type framing is used, buildings are constructed from:
Bottom to top.
A door for which structure should use the weakest material: birdhouse, doghouse, playhouse, or horse barn?
Birdhouse.
Amperage of a device using 8 kW on a 120-volt circuit?
66.7 A (6.67).
Why is an isometric drawing used in construction?
To show the structure as a whole.