ISA UTILITY SPECIALIST FINAL EXAM
SCRIPT 2026 CHAPTERS 1–7 QUESTIONS
AND DETAILED ANSWERS GRADED A+
⩥ __________ __________ __________ serve as a barrier between
workers & electric hazards. Answer: minimum approach distances
⩥ __________ __________ are designed to redirect electrical surges to
the ground instead of allowing them to continue down the circuit.
Answer: lightning arrestors
⩥ __________ __________ are often released to media outlets to
provide specific information that the utility wants to make public.
Answer: press releases
⩥ __________ __________ are scheduling tools that provide a visual
means of tracking a project. Answer: Gantt charts
⩥ __________ __________ contracts are gaining popularity because the
responsibility for productivity, work planning, & scheduling rests with
the contractor. Answer: unit price
,⩥ __________ __________ is the difference in voltage on the ground
between two of a person's body parts near where electricity goes into the
ground. Answer: step potential
⩥ __________ __________ is the management of vegetation by
establishing & conserving compatible, stable plant communities using
natural competition, animals, insects, or pathogens. Answer: biological
control
⩥ __________ __________ is used on distribution lines in densely
forested areas to provide some protection from faults caused by
branches. Answer: tree wire
⩥ __________ __________ occurs when someone touches an energized
fixture. __________ __________ can occur when a person touches a
conductive object that is in contact with an energized fixture. Answer:
direct contact;
indirect contact
⩥ __________ __________ provide defense against inadvertent re-
energization. Answer: protective grounds
⩥ __________ __________ uses certain herbicides selectively applied
to the side of the right-of-way. Answer: chemical pruning
,⩥ __________ __________-__________ is a technique in which non-
translocatable herbicides are applied to control specific branches
growing toward utility facilities. Answer: chemical side-pruning
⩥ __________ __________, the principal protective devices in
distribution substations, are designed to operate in as little as 10 Hz.
Answer: circuit breakers
⩥ __________ & __________ contracts are based on hourly rates for
labor & equipment, & payment is for time worked. Answer: time &
material
⩥ __________ amps may cause cardiac arrest & organ damage, &
__________-__________ amps will likely kill outright. High voltage
contact usually kills outright regardless of amperage. Answer: 2;
15-20
⩥ __________ are documents that describe, instruct, & direct work
results. Answer: specifications
⩥ __________ departments are responsible for securing contracts.
Answer: procurement
, ⩥ __________ freezes solid when it hits the ground; __________
__________ remains in a liquid state until it freezes on contact. Answer:
sleet;
freezing rain
⩥ __________ is the amount of chemical reaching the body, while
__________ is the quantity absorbed into the body. Answer: exposure;
dose
⩥ __________ line clearance applies when an electric hazard exists but
work is not being done for the utility. __________ line clearance applies
to being in proximity to electric hazards on behalf of the utility. Answer:
incidental;
qualified
⩥ __________ lines come off of primary circuits, but don't extend
directly to a customer's property. Answer: secondary
⩥ __________ negotiation uses the best aspects from both hard & soft
bargaining. Answer: interest-based
⩥ __________ toxicity results from a single exposure or exposure over a
short period of time. __________ toxicity is the delayed damaging effect
resulting from repeated exposure to low amounts of a substance,
evolving over a long period. Answer: acute;
SCRIPT 2026 CHAPTERS 1–7 QUESTIONS
AND DETAILED ANSWERS GRADED A+
⩥ __________ __________ __________ serve as a barrier between
workers & electric hazards. Answer: minimum approach distances
⩥ __________ __________ are designed to redirect electrical surges to
the ground instead of allowing them to continue down the circuit.
Answer: lightning arrestors
⩥ __________ __________ are often released to media outlets to
provide specific information that the utility wants to make public.
Answer: press releases
⩥ __________ __________ are scheduling tools that provide a visual
means of tracking a project. Answer: Gantt charts
⩥ __________ __________ contracts are gaining popularity because the
responsibility for productivity, work planning, & scheduling rests with
the contractor. Answer: unit price
,⩥ __________ __________ is the difference in voltage on the ground
between two of a person's body parts near where electricity goes into the
ground. Answer: step potential
⩥ __________ __________ is the management of vegetation by
establishing & conserving compatible, stable plant communities using
natural competition, animals, insects, or pathogens. Answer: biological
control
⩥ __________ __________ is used on distribution lines in densely
forested areas to provide some protection from faults caused by
branches. Answer: tree wire
⩥ __________ __________ occurs when someone touches an energized
fixture. __________ __________ can occur when a person touches a
conductive object that is in contact with an energized fixture. Answer:
direct contact;
indirect contact
⩥ __________ __________ provide defense against inadvertent re-
energization. Answer: protective grounds
⩥ __________ __________ uses certain herbicides selectively applied
to the side of the right-of-way. Answer: chemical pruning
,⩥ __________ __________-__________ is a technique in which non-
translocatable herbicides are applied to control specific branches
growing toward utility facilities. Answer: chemical side-pruning
⩥ __________ __________, the principal protective devices in
distribution substations, are designed to operate in as little as 10 Hz.
Answer: circuit breakers
⩥ __________ & __________ contracts are based on hourly rates for
labor & equipment, & payment is for time worked. Answer: time &
material
⩥ __________ amps may cause cardiac arrest & organ damage, &
__________-__________ amps will likely kill outright. High voltage
contact usually kills outright regardless of amperage. Answer: 2;
15-20
⩥ __________ are documents that describe, instruct, & direct work
results. Answer: specifications
⩥ __________ departments are responsible for securing contracts.
Answer: procurement
, ⩥ __________ freezes solid when it hits the ground; __________
__________ remains in a liquid state until it freezes on contact. Answer:
sleet;
freezing rain
⩥ __________ is the amount of chemical reaching the body, while
__________ is the quantity absorbed into the body. Answer: exposure;
dose
⩥ __________ line clearance applies when an electric hazard exists but
work is not being done for the utility. __________ line clearance applies
to being in proximity to electric hazards on behalf of the utility. Answer:
incidental;
qualified
⩥ __________ lines come off of primary circuits, but don't extend
directly to a customer's property. Answer: secondary
⩥ __________ negotiation uses the best aspects from both hard & soft
bargaining. Answer: interest-based
⩥ __________ toxicity results from a single exposure or exposure over a
short period of time. __________ toxicity is the delayed damaging effect
resulting from repeated exposure to low amounts of a substance,
evolving over a long period. Answer: acute;
