H1 LT3

Question 1

What is the basic load for single (family) dwellings according to Rule 8-200(1)?

Answer 1

All lighting and small appliances up to 1500 W

Question 2

What must the demand factor be for electric thermal-storage heating systems, duct heaters, or electric furnaces?

Answer 2

100%

Question 3

What is the impact on branch-circuit spaces if a single dwelling does not have a central electric furnace?

Answer 3

More branch-circuit spaces are required.

Question 4

What is the maximum overcurrent protection allowed for a conductor ampacity of 130 amps?

Answer 4

150 amps

Question 5

What does the heating load for a dwelling include?

Answer 5

All electric space heating with thermostatic control in each room, including saunas

Question 6

If an electric heating load is not provided, what demand factor should air-conditioning load be added at?

Answer 6

100%

Question 7

What does the minimum demand load for the service determine?

Answer 7

Minimum size for conductors and overcurrent protection

Question 8

What is voltage drop?

Answer 8

Resistance of conductors creates a drop

Question 9

What is the demand factor for the first 10 kW of heating load?

Answer 9

100%

Question 10

How should a single electric range with a rating of 12 kW or less be accounted for in load calculations?

Answer 10

Allow 6000 watts