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Given: A dwelling unit has 3,000 sq

Electrical Engineering

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1. Given: A dwelling unit has 3,000 sq.ft. of habitable space with laundry facilities and bathrooms, 600 sq.ft. of garage and 1,000 sq.ft. of unfurnished space that is adaptable to future use when calculating the service-conductor size for this dwelling unit using the standard calculation method, the minimum demand is ______ VA.
2. 6,150
3. 7,725
4. 12,000
5. 16,500
6. Given: A commercial building with a 3 wire, single-phase 120/240 volt service has a total load of 35,000 VA after all demand factors have been considered. The minimum size THNN copper conductions required for the undergrounded service conductors _____ AWG.
7. 3
8. 1/0
9. 2/0
10. 3/0

3. The required depth of the working clearance for a 120/240 volt, single family dwelling service when grounded parts are opposite, the service is _____.

1. 2tf-6in
2. 3ft-0in
3. 3ft-6in
4. 4ft-0ft

4. Given: overhead service conductors of a 120/240 volt service are run above a roof with a slope of 6:12 and the roof is not an over-hanging roof. The minimum required clearance from the roof to the overhead service conductors that are above the roof is _____ ft.

1. 3
2. 4.5
3. 6
4. 8