ISA Utility Specialist (Ch. 3
Answer Utility Pruning)
1. Utility pruning is the pruning of trees located in the vicinity of power lines for
the purpose of .
Answer ensuring reliable service
2. Which type of cuts are less unacceptable?
Answer internodal cuts (e.g. topping)
3. Which type of cuts are more acceptable?
Answer nodal cuts (e.g. drop-crotch, thinning)
4. Where should the final cut be made for proper utility pruning?
Answer just outside of the branch bark ridge and the branch collar
5. Flush cuts damage which tissues?Answer the trunk
6. Why is utility pruning done?
Answer to maintain safety and rights-of-way
7. Which type of pruning encourages the growth of branches away from the
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14
, wires?
Answer directional pruning
8. What is the maximum amount of foliage that should be removed in one
growing season?
Answer 25%
(this is according to ANSI A300)
9. When is it acceptable to deviate from the pruning standards?
Answer during storm restora- tion
10. In the U.S., pruning should be conducted according to .-
Answer ANSI A300
11. Utility pruning removes the leaves and reduces a tree's growth,
but remaining may grow more.
Answer overall;
shoots
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14
Answer Utility Pruning)
1. Utility pruning is the pruning of trees located in the vicinity of power lines for
the purpose of .
Answer ensuring reliable service
2. Which type of cuts are less unacceptable?
Answer internodal cuts (e.g. topping)
3. Which type of cuts are more acceptable?
Answer nodal cuts (e.g. drop-crotch, thinning)
4. Where should the final cut be made for proper utility pruning?
Answer just outside of the branch bark ridge and the branch collar
5. Flush cuts damage which tissues?Answer the trunk
6. Why is utility pruning done?
Answer to maintain safety and rights-of-way
7. Which type of pruning encourages the growth of branches away from the
1/
14
, wires?
Answer directional pruning
8. What is the maximum amount of foliage that should be removed in one
growing season?
Answer 25%
(this is according to ANSI A300)
9. When is it acceptable to deviate from the pruning standards?
Answer during storm restora- tion
10. In the U.S., pruning should be conducted according to .-
Answer ANSI A300
11. Utility pruning removes the leaves and reduces a tree's growth,
but remaining may grow more.
Answer overall;
shoots
2/
14
