Question 12056 of 731 · Texas Journeyman Electrician Exam
Which dwelling load contributes nothing to the neutral in an NEC 2026 feeder calculation?
Exactly one answer is correct.
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Correct answer to question 12056
- D: A 4,500 W 240 V water heater
Explanation
A straight 240 V load has no connection to the neutral, so it is omitted from the neutral calculation (120.61). Small-appliance circuits count fully and ranges and dryers count at 70 %.
More questions: Load Calculations
- 12058A 10-unit apartment building has 1,000 ft2 units, each with two small-appliance circuits and one laundry circuit. What is the NEC 2026 standard method demand for lighting, small-appliance and laundry loads on the service?
- 12001Using 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?
- 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)?