Question 12001 of 731 · Texas Journeyman Electrician Exam
Using the standard method under the NEC 2026, what general lighting load must be included in the service calculation for a one-family dwelling with 2,400 ft2 of livable floor area?
Exactly one answer is correct.
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Correct answer to question 12001
- A: 4,800 VA
Explanation
The dwelling unit load for general lighting and general-use receptacles is 2 VA per ft2 (120.41). 2,400 ft2 x 2 VA = 4,800 VA. Garages, open porches and unfinished spaces not adaptable for future use are not counted.
More questions: Load Calculations
- 12002A 2,000 ft2 dwelling has the minimum two small-appliance circuits and one laundry circuit. Under the NEC 2026 standard method, what is the demand load for general lighting, small-appliance and laundry loads combined?
- 12003A 3,200 ft2 one-family dwelling has three 20 A small-appliance circuits and one laundry circuit. Under the NEC 2026 standard method, what is the net demand load for these loads plus general lighting?
- 12004Under the NEC 2026 standard method, what is the demand load for general lighting, two small-appliance circuits and one laundry circuit in a 4,500 ft2 dwelling?
- 12005Optional method (NEC 2026): a 2,000 ft2 dwelling has two small-appliance circuits, one laundry circuit, a 12 kW range, a 5 kW dryer, a 1,200 VA dishwasher and a 4,500 W water heater. What is the calculated general load (heating and AC excluded)?
- 12006Optional method (NEC 2026), 120/240 V service: 1,800 ft2 dwelling, two small-appliance and one laundry circuit, 11 kW range, 5.5 kW dryer, 1,000 VA dishwasher, 800 VA disposal, 4 kW water heater, 6,000 VA central AC and 8 kW central electric furnace. What is the calculated load in amperes?
- 12007Optional method (NEC 2026): a 1,500 ft2 dwelling with two small-appliance and one laundry circuit, a 10 kW range, 5 kW dryer and 4.5 kW water heater has six separately controlled 2 kW baseboard heaters and a 4,000 VA AC unit. What is the total calculated load?