ISA UTILITY SPECIALIST EXAM STUDY GUIDE 2026/2027 ACCURATE QUESTIONS WITH CORRECT DETAILED SOLUTIONS || 100% GUARANTEED PASS NEWEST VERSION

ISA UTILITY SPECIALIST EXAM STUDY GUIDE 2026/2027 ACCURATE QUESTIONS WITH CORRECT DETAILED SOLUTIONS || 100% GUARANTEED PASS NEWEST VERSION 1. In the U.S., enforcement of safety work rules resides with: - ANSWER Occupational Safety & Health Administration (OSHA) 2. Utility pruning is the pruning of trees located in the vicinity of power lines for the purpose of __________ __________ __________. - ANSWER ensuring reliable service 3. A comprehensive vegetation management program should be __________ rather than reactive, & based on principals of __________ vegetation management. - ANSWER proactive; integrated 4. What is a volt? - ANSWER a unit of electrical force 5. Major storms or __________ weather events are the usual cause of power outages over large areas. - ANSWER catastrophic 6. Without __________, messages can have multiple meanings. - ANSWER context 7. ISA BMPs provide a practical guide for implementing __________ __________. - ANSWER industry standards 8. Electrical resistance determines how much __________ is required to move electricity along a conductor and is measured in __________. - ANSWER energy; ohms 9. When communicating, a person's experience & __________ will influence how the person reacts. - ANSWER perceptions 10. Crew mobilization for a storm event is much more rapid from a __________ status. - ANSWER standby 11. NERC standards are specific to what line voltages? - ANSWER 200 kV & above 12. An important first step in any vegetation management program should be to asses system conditions, which is often done through an __________. - ANSWER inventory 13. Level _____ assessments are detailed, 360-degree ground-based visual inspection of the above-ground portion of a tree & its site (tools include binoculars, magnifying glass, probe, shovel, etc.); aka basic assessments - ANSWER 2 14. When it has little or no likelihood of failure or impact to utility facilities, maintenance of the portion of the tree that is outside of the utility easement is the responsibility of the __________ __________. - ANSWER tree owner 15. Two indicators used to quantify reliability are SAIFI & SAIDI, which measure the __________ & __________ of interruptions experienced by the average customer over a given time. - ANSWER frequency & duration 16. Which step of an integrated VM plan should be completed first? - ANSWER setting objectives 17. Trees react to structural defects with __________ __________, which compensates for structural weakness. - ANSWER response growth 18. The most common cause of tree-related service interruptions is: - ANSWER mechanical tear down failure 19. ISA BMPs provide a practical guide for implementing __________ __________. - ANSWER industry standards 20. NERC standards are specific to what line voltages? - ANSWER 200 kV & above 21. NERC standards require the reporting of all tree caused outages by __________ categories - ANSWER three 22. Trees growing into contact with a single-phase distribution conductor pose __________ threat of a tree-ground fault. - ANSWER little 23. Clearing for a new distribution line is likely to be paid for by a __________ budget. - ANSWER capital 24. A grid-based scheduling system is most likely to be used by highly __________ utilities. - ANSWER urbanized 25. A challenge with grid-based scheduling is that circuits may traverse many grids, allowing for a variety of __________ __________. - ANSWER tree conditions 26. The most expensive way to schedule work is: - ANSWER hotspotting 27. ________________ are similar to fuses or cutouts but reset after a predetermined time period. - ANSWER re-closers 28. minimum working distances for qualified line-clearance arborists are specified in the _________________ safety standard. - ANSWER ANZI Z133 29. When installing underground conductors, _________________ rather than trenching, should be used in tree root protection zones. - ANSWER tunneling 30. the measure of electrical current is called: a) Volt b) Ampere c) Ohm d) Watt - ANSWER b) Ampere 31. service or secondary distribution lines usually carry voltage between: a) 120 and 480 b) 2,400 and 22,000 c) 22,000 and 34,500 d) 34,500 and 161,000 - ANSWER a) 120 and 480 32. when a tree contacts one electrical conductor, it may cause a: a) Phase-to-neutral fault b) Phase-to-phase fault c) Phase-to-ground fault d) Both a) & b) - ANSWER c) Phase-to-ground fault 33. The minimum approach distance from energized, 50kV conductors for nonqualified line clearance personnel is: a) 8 feet b) 10 feet c) 12 feet d) 14 feet - ANSWER b) 10 feet 34. the condition that allows electricity to flow from one object to another is called: a) capacitance b) conductivity c) phasing d) potential - ANSWER d) potential 35. successful communication - ANSWER process of information exchange between individuals through a common system of symbols, signs, or behavior that achieves desired results 36. Customer Service - ANSWER the foundation of a successful business. attempts to improve a utility's image should begin with efforts to improve the quality of its customer relations approach