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All the question's and answer's in this quiz are found in Tom Henry's book, "The Pictorial Workbook of the Code Volume Two".
1. Heavy duty lampholders are computed at va minimum.
- [ ] 180
- [ ] 600
- [ ] 200
- [ ] 660
2. Demand factors on feeders cannot be applied for general lighting in which of the following occupancies?
- [ ] School
- [ ] Dwelling
- [ ] Hospital
- [ ] Warehouse
3. When calculating the size of a dwelling service conductor, the laundry shall be computed at a minimum of .
- [ ] 3000 va
- [ ] 1500 va
- [ ] 15 amperes
- [ ] 20 amperes
4. The total load of the farm for sizing service-entrance conductors is calculated in part by applying a % demand factor to the second largest load.
- [ ] 80
- [ ] 100
- [ ] 75
- [ ] 70
5. What is the neutral demand for 20 - 8kw ranges?
- [ ] 44.8
- [ ] 24.5
- [ ] 31.36
- [ ] 35
6. An owner wishes to add 9 additional receptacle outlets to the drawing of his residence. What load will these receptacles add to the service?
- [ ] none of these
- [ ] 1620 va
- [ ] 1500 va
- [ ] 70%
7. A common neutral can be used for indoor wiring.
8. Raceways installed on the exterior surfaces of buildings shall be and arranged to drain.
- [ ] raintight
- [ ] waterproof
- [ ] rainproof
- [ ] watertight
9. Rigid metal conduit is not required to be buried. But, if it is buried the minimum cover is .
- [ ] 6"
- [ ] 12"
- [ ] 8"
- [ ] 18"
10. Every circuit breaker having an interrupting rating other than amperes, shall have its interrupting rating shown on the breaker.
- [ ] 2000
- [ ] 7500
- [ ] 1000
- [ ] 5000
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