Framing member above a door or window
What is a header
the ability to read line, symbols, dimensions, notes, and other information on the print or plan.
What is interpretation
The most deadly of OSHA's fatal four
What is Slip Trip Fall
DWV is short for
Drain, Waste, Vent
Most common residential wire gauge, breaker size, and sheathing color
14 gauge, 15 amp breaker, white
Typical blueprint scale
What is 1/4" = 1'
48" On Center
A schedule lists this
What are door and window sizes
This is how much of a hardhat can be covered by stickers or other labels
What is 40%
Commonly used for Drain, Waste, Vent
What is PVC
A three way switch controls lights from how many locations
Width of the saw blade is known as
What is the kerf
How far from each edge should a wire pass through a stud?
What is 1 1/4"
A cutaway view used to show interior, complex, or hard to see details
What is section view
OSHA Stands for
Occupational Health and Safety Administration
Faucets must be designed to prevent
What is Backflow
A short wire twisted to others used to isolate an outlet from a circuit
What is a pigtail?
CPVC stands for
Chlorinated Polyvinyl Chloride
Rough openings must either be larger or the same size as the window opening, which is true?
The dimensional relationship of the full sized structure to the drawing is based upon
What is scale
Z87
Properly certified safety glasses
This component prevents sewer gases from coming up through the drain
What is a P-Trap
What colors are the three terminals on a single pole switch
2 gold/brass, 1 green
NM Stands for
Non metallic sheathing
Partial vertical studs that fall on layout
These are the three basic views used in construction prints
What is Plan, Section, Elevation
Daily inspection of an excavation must be performed by a(n) _____
Competent Person
Water flow is routed from a tub spout to a shower head by activating
What is the diverter valve
What is 20 amp breaker
A cut list calls for a stud length of 92⅝ inches for an 8′ wall.
Why is this shorter than 96 inches?
What is to allow for the thickness of the bottom plate and double top plate?
A floor plan is drawn at ¼″ = 1′-0″.
A wall measures 3½ inches on the blueprint.
What is the actual length of the wall in feet?
14 feet
A ladder is set on a jobsite at a 4:1 ratio and extends 3 feet above the landing, and is placed directly in front of an unlocked doorway.
What is the primary safety violation?
The ladder being placed in front of a doorway without blocking the door
When measuring for an accurate pipe length, the ___________________ should be
considered before cutting.
Overlap of the pipe and fitting
On a standard three prong plug, the wider flat blade is connected to
White or neutral
A contractor is tiling a backsplash that is 20' by 18". How many tiles are required if each tile is .25 sq ft each, and accounting for 10% overage
18 / 12 = 1.5
1.5 x 20 = 30
30 / .25 = 120
120 x .1 = 12
120 + 12 = 132
132 Tiles