Struck-By
Electrical Safety
Fall Protection
Excavation
Ladder Safety
100

This is the leading cause of struck-by fatalities in construction.

What is being struck by a vehicle or heavy equipment?

100

This OSHA required device must be used on all temporary electrical circuits.

What is a ground-fault circuit interrupter (GFCI)?

100

Fall protection is required when working at this height in construction.

What is 6 feet or more?

100

A trench over this depth requires a protective system.

What is 5 feet?

100

This is the proper angle for setting an extension ladder.

What is a 4:1 ratio or 75 degrees?

200

These should always be worn when working around moving vehicles to increase visibility.

What are high-visibility vests?

200

Before servicing any electrical system, workers must follow this procedure.

What is Lockout/Tagout?

200

This system is designed to arrest a worker's fall in progress.

What is a personal fall arrest system (PFAS)?

200

This person is required to inspect trench conditions daily.

Who is the competent person?

200

You should always maintain this number of contact points when climbing a ladder.

What is three points of contact?

300

These should be used to secure tools when working at height.

What are tool lanyards or tethering devices?

300

This tool should be used to verify electrical circuits are de-energized.

What is a voltage tester or multimeter?

300

Guardrails must be this high above the working surface.

What is 42 inches, plus or minus 3 inches?

300

These are the three types of trench protective systems.

What are sloping, shoring, and shielding?

300

Ladders should extend this far above the landing surface when used for access.

What is 3 feet?

400

When working near cranes hoisting a load, this must never be done.

What is standing or walking under a suspended load?

400

These two elements can cause serious injury or death in arc flash incidents.

What are heat and blast pressure?

400

Fall protection equipment should be removed from service after this.

What is a fall or visible damage?

400

Ladders must be within this distance of workers in a trench.

What is 25 feet?

400

This is the correct type of ladder to use near electrical sources.

What is a fiberglass ladder?

500

You should never position yourself between this and a fixed object.

What is moving equipment or a moving vehicle?

500

During construction cords and cables must be protected from damage and cannot run through these in a building.

What are doorways?

500

Fall arrest anchor points must support this many pounds.

What is 5,000 pounds per person attached?

500

This is the most stable type of soil classification.

What is Type A soil?

500

Ladders must be inspected this often.

What is before each use?