Lineman Risk Assessment and Mitigation 3

Question 1

When performing an energized line task, the minimum approach distance (MAD) is primarily determined by:

Accepted Answer

System voltage and worker training level

Answer

MAD is voltage-dependent and assumes the worker has appropriate training; both factors are used in OSHA and NESC tables.

Question 2

A co-worker refuses to follow the established safety plan on a job site. The appropriate first action is to:

Accepted Answer

Stop work and report the refusal to the foreman

Answer

Stop-work authority empowers any worker to halt operations when safety procedures are being violated without penalty.

Question 3

Arc flash boundaries are established primarily to protect workers from:

Accepted Answer

Thermal burns caused by radiated heat from an arc

Answer

Arc flash boundaries define zones where incident energy could cause varying degrees of skin burns from radiated heat.

Question 4

Which scenario represents a 'struck-by' hazard on a utility work site?

Accepted Answer

A conductor whipping after a cutout fuse operation

Answer

A conductor snapping back after a fuse operation can strike a worker, classifying it as a struck-by hazard.

Question 5

Before digging near underground utilities, which step is REQUIRED under federal and most state regulations?

Accepted Answer

Contact 811 to request utility locates

Answer

Calling 811 activates the One Call system, which notifies underground utility owners to mark their facilities before excavation.

(Lineman) Lineman Certification Practice Test