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What follows is a plain HTML version of the Quiz.
All of the questions and answers in this quiz are found in Tom Henry's book, "Hazardous Locations, Workbook of the Code".
1. In commercial garages using electrical hand tools, portable lights, etc., ground fault protection shall be provided for .
- [ ] receptacles in pits below floor level only
- [ ] receptacles within 18" above the floor only
- [ ] all receptacles in the service area
- [ ] receptacles located in adjacent bathrooms only
2. Lighting fixtures installed over vehicle lanes inside a commercial garage shall be installed a minimum of feet.
- [ ] 15
- [ ] 12
- [ ] 10
- [ ] 8
3. For spraying operations confined to an enclosed spray booth, the Division 2 area extends in all directions from any opening.
- [ ] 10'
- [ ] 3'
- [ ] unlimited
- [ ] 900'
4. Which of the following would not be approved in all Class II locations?
- [ ] flexible connections
- [ ] EMT
- [ ] dust-tight boxes
- [ ] threaded bosses
5. A nursing home is a building or part thereof used for the lodging, boarding and nursing care, on a 24-hour basis, of
or more persons.
- [ ] 4
- [ ] 12
- [ ] 50
- [ ] 100
6. Which wiring method is not permitted in a Class II, Division 1 location?
- [ ] cable tray
- [ ] rigid metal conduit
- [ ] MI cable
- [ ] IMC
7. Fixed wiring, which is to provide external power to aircraft hangers, shall be installed at least above floor level.
- [ ] 12"
- [ ] 24"
- [ ] 18"
- [ ] 30"
8. It is desirable to locate the ammeter so that it is conspicuously visible to persons in the location.
- [ ] Class III
- [ ] Class II
- [ ] anesthetizing
- [ ] Class I
9. Fixed lighting fixtures for anesthetizing locations shall be at least feet above the floor.
- [ ] 10
- [ ] 12
- [ ] 5
- [ ] 8
10. Underground wiring for a motor fuel dispenser shall be installed in .
- [ ] threaded rigid metal conduit
- [ ] rigid non-metallic conduit buried not less than 24"
- [ ] threaded steel intermediate metal conduit
- [ ] Any of these
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