OSHA Electrical Hazards & Power Line Safety 2

Question 1

Under OSHA 1926.1408, who is responsible for notifying the utility company before crane work begins near overhead power lines?

Accepted Answer

The employer or controlling entity

Answer

Only the crane operator

Answer

The signal person

Answer

The site safety officer

Question 2

What is the purpose of an 'encroachment prevention plan' during crane operations near power lines?

Accepted Answer

To establish procedures that prevent the crane from entering the power line danger zone

Answer

To document equipment maintenance schedules

Answer

To outline emergency medical response steps

Answer

To specify maximum load capacities near power lines

Question 3

Under what condition may a crane operate closer than standard OSHA minimum approach distances to overhead power lines?

Accepted Answer

When the utility owner deenergizes and visibly grounds the lines

Answer

When the operator has more than 10 years of experience

Answer

When the load weight is under 2,000 pounds

Answer

When operations occur during daylight hours only

Question 4

What does 'equipotential zone' mean in the context of crane electrical safety?

Accepted Answer

A protected area where all objects are at the same electrical potential, reducing shock risk

Answer

A zone where all electrical equipment is rated at the same voltage

Answer

A zone where no electrical equipment is allowed

Answer

An area designated for electrical testing only

Question 5

Which of the following is NOT an acceptable primary safeguard against power line hazards during crane operations?

Accepted Answer

Relying solely on a proximity warning device

Answer

Installing insulating sleeves on power lines

Answer

Erecting physical insulating barriers

Answer

Deenergizing and grounding the power lines

Question 6

What should a signal person do immediately if a crane load begins to drift toward an overhead power line during a pick?

Accepted Answer

Immediately give the emergency stop signal

Answer

Continue signaling to complete the lift as quickly as possible

Answer

Signal to increase boom speed to pass by quickly

Answer

Move toward the load to physically redirect it

Question 7

When a crane must operate within a power line's danger zone, OSHA requires that a dedicated spotter be assigned to watch for what?

Accepted Answer

The crane's proximity to the energized power lines at all times

Answer

Load swing and rigging condition

Answer

Ground crew positioning and foot traffic only

Answer

Wind speed and weather changes