Utility Line Clearance Flashcards
7 cards from real Certified Arborist Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Utility Line Clearance flashcards as text
What is the primary goal of directional pruning in utility line clearance?
Answer: Redirect tree growth toward lateral branches growing away from utility lines
Directional pruning redirects future growth to lateral branches oriented away from utility lines, maintaining tree structure while reducing future encroachment.
Which type of conductor poses the greatest electrical hazard to line clearance arborists?
Answer: Bare primary distribution conductors
Bare primary distribution conductors carry high voltage without insulation and pose the greatest electrical shock and flashover hazard to line clearance workers.
What does 'side trimming' refer to in utility line clearance operations?
Answer: Pruning lateral branches that grow horizontally toward utility conductors
Side trimming removes lateral branches growing horizontally toward utility conductors to maintain safe side clearance along the line corridor.
Which tree characteristic makes a species most problematic for long-term utility line management?
Answer: Fast growth rate and large mature size
Trees with fast growth rates and large mature sizes re-encroach on utility lines quickly and require frequent costly pruning cycles.
What is 'wire zone/border zone' vegetation management in utility right-of-way maintenance?
Answer: A strategy that differentiates vegetation treatment based on distance from conductors
Wire zone/border zone management treats the area directly under lines (wire zone) differently from the border areas, favoring low-growing compatible plants to reduce long-term maintenance costs.
What is the recommended approach for disposing of woody debris generated during utility line clearance?
Answer: Chip it for mulch, haul it away, or dispose per local regulations and utility policy
Debris from utility line clearance may be chipped for mulch, hauled away, or disposed of according to applicable local regulations and utility company policies.
Which plant characteristic defines 'compatible vegetation' in utility right-of-way management?
Answer: Plants whose mature height and spread will not conflict with utility lines
Compatible vegetation refers to plants whose mature size and growth habit will not interfere with utility lines, reducing the need for ongoing clearance maintenance.