Safety Basics
What does PPE stand for in construction safety?
Personal Protective Equipment
What is a raceway used for in electrical work?
To protect and route electrical wiring
What is 1/2 of 8 inches?
4 inches
What does a blueprint represent?
A scaled drawing of a structure or project
What is the standard voltage for most residential outlets in the U.S.?
120 volts
Name one type of eye protection used on a job site.
Safety glasses or goggles
Name one common type of raceway used in construction.
EMT, PVC, or flexible conduit
How many feet are in 36 inches?
3 feet
What symbol is commonly used to show a door on a floor plan?
An arc showing the door swing
What color is typically used for the ground wire?
Bare copper or green
What is the purpose of a Hazard Communication (HazCom) program?
To inform workers about chemical hazards and safe handling.
What is the difference between a wireway and a conduit?
A wireway is typically a rectangular enclosure for multiple conductors; a conduit is a tube.
What is the area of a rectangle that is 10 ft by 6 ft?
60 square ft
What does a scale on a drawing indicate?
The relationship between drawing size and actual size
What device protects a circuit from overloads and short circuits?
A circuit breaker
What color is typically used to identify caution on safety signs?
Yellow
Why are conductors installed inside raceways?
To protect them from damage and provide a safe wiring path
What is 25% of 80?
20
What are the top, side, and front views of a structure called?
Orthographic views
What does NEC stand for?
National Electrical Code
What should you do first if you discover a fire on a job site?
Alert others and activate the fire alarm / report it immediately
What tool is commonly used to bend EMT conduit?
Conduit bender
Convert 3/4 to a decimal.
0.75
What type of line is used to show hidden objects in drawings?
A dashed line / hidden line
What is the purpose of a GFCI outlet?
To protect people from electric shock