NHIE – Electrical Exam Practice Questions and Answers
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Course
2024/2025
Institution
2024/2025
NHIE – Electrical Exam Practice
Questions and Answers
What is the min service amperage for a single family dwelling? - Answer-100A
All other services, min 60A.
How many services allowed per dwelling? - Answer-One
All underground raceways must be sealed when what? - Answer-When they enter the...
Any exposed service conductors must be protected how? - Answer✔✔-- Listed as sunlight-
resistant OR
- covered with tape OR
- covered with sleeve listed as sunlight resistant
How often must service conductors be secured? - Answer✔✔-Min 30".
How far from the service box must the service entrance cable be secured? - Answer✔✔-Max
12".
For outdoor lines, any conduit/raceways must be what? - Answer✔✔-Conduit material must be
approved for outdoor use.
What are the rules for service lines overhead? - Answer✔✔-Look at the chart. Like now...
Rules on service line proximities? - Answer✔✔-- 10' min above pedestrian areas
- 12' above driveways
- 18' above streets or semi truck parking areas
- 8' above the roof if slope <4/12
- 3' above the roof if slope 4/12 or greater (18" above roof ok if at the eave with 4' overhang)
- 10' if the roof has a walking surface
- 3' clearance above any roof surface as long as it is guarded/isolated
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