ISA UTILITY ARBORIST MASTER STUDY SET
2026 COMPREHENSIVE EXAMINATION
TEST FULL SOLUTIONS VERIFIED
⩥ tool tested for dielectric integrity. Answer: Insulated aerial lift (bucket
truck)
⩥ directional pruning. Answer: A method to remove branches to
encourage growth away from utility lines.
⩥ flush cuts. Answer: They damage the branch collar and slow wound
closure.
⩥ daily job briefing contents. Answer: Work plan, hazards, assignments,
and emergency procedures.
⩥ daily boom inspection reason. Answer: To check for contamination
that could compromise insulation.
⩥ Name a fast-growing problematic species. Answer: Populus deltoides
(Eastern Cottonwood)
, ⩥ branch collar. Answer: The part of a branch that helps a tree
compartmentalize wounds.
⩥ What is the required clearance for unqualified workers near energized
conductors?. Answer: 10 feet minimum per OSHA and ANSI Z133
⩥ What should you do if a tool's insulated coating is damaged?. Answer:
Remove it from service immediately
⩥ Which pruning method reduces tree height while preserving
structure?. Answer: Reduction pruning
⩥ What is included in the ANSI Z133 standard?. Answer: Safety
requirements for arboricultural operations
⩥ Why is the MAD different for qualified vs. unqualified workers?.
Answer: Qualified workers are trained and authorized to work closer to
energized lines
⩥ What is the main goal of Integrated Vegetation Management (IVM)?.
Answer: Balance utility safety with environmental stewardship
⩥ What is the safest way to control pedestrian traffic near a work zone?.
Answer: Use signs, barricades, and a designated spotter
2026 COMPREHENSIVE EXAMINATION
TEST FULL SOLUTIONS VERIFIED
⩥ tool tested for dielectric integrity. Answer: Insulated aerial lift (bucket
truck)
⩥ directional pruning. Answer: A method to remove branches to
encourage growth away from utility lines.
⩥ flush cuts. Answer: They damage the branch collar and slow wound
closure.
⩥ daily job briefing contents. Answer: Work plan, hazards, assignments,
and emergency procedures.
⩥ daily boom inspection reason. Answer: To check for contamination
that could compromise insulation.
⩥ Name a fast-growing problematic species. Answer: Populus deltoides
(Eastern Cottonwood)
, ⩥ branch collar. Answer: The part of a branch that helps a tree
compartmentalize wounds.
⩥ What is the required clearance for unqualified workers near energized
conductors?. Answer: 10 feet minimum per OSHA and ANSI Z133
⩥ What should you do if a tool's insulated coating is damaged?. Answer:
Remove it from service immediately
⩥ Which pruning method reduces tree height while preserving
structure?. Answer: Reduction pruning
⩥ What is included in the ANSI Z133 standard?. Answer: Safety
requirements for arboricultural operations
⩥ Why is the MAD different for qualified vs. unqualified workers?.
Answer: Qualified workers are trained and authorized to work closer to
energized lines
⩥ What is the main goal of Integrated Vegetation Management (IVM)?.
Answer: Balance utility safety with environmental stewardship
⩥ What is the safest way to control pedestrian traffic near a work zone?.
Answer: Use signs, barricades, and a designated spotter
