Texas Journeyman Electrician Exam, Load Calculations: all 32 questions
All questions from the Load Calculations section for Texas Journeyman Electrician Exam, each with the correct answer.
- 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)?
- 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?
- 12009Under the NEC 2026, what is the minimum number of 15 A, 120 V general lighting branch circuits for a 2,600 ft2 dwelling?
- 12010How many 20 A, 120 V general lighting branch circuits are required at minimum for a 3,400 ft2 dwelling under the NEC 2026?
- 12011Under the NEC 2026, what is the feeder demand load for four 5.5 kW household electric dryers in an apartment building?
- 12012Five 5 kW household dryers are supplied by one feeder. What is the calculated dryer load under the NEC 2026?
- 12013Ten 5 kW electric dryers in a multifamily building are on one service. Using the NEC 2026 dryer demand factors, what is the dryer load?
- 12014Under the NEC 2026, what is the demand factor for 15 household electric dryers on one feeder?
- 12015A dwelling has one electric dryer rated 4,400 W. What load must be used for it in the NEC 2026 service calculation?
- 12016Standard method (NEC 2026): a dwelling has a 1,500 VA dishwasher, 1,000 VA disposal, 4,500 W water heater and 800 VA microwave, all fastened in place. What is the demand load for these appliances?
- 12017Standard method (NEC 2026): the only fastened-in-place appliances are a 1,200 VA dishwasher, a 900 VA disposal and a 5,000 W water heater. What appliance load goes into the calculation?
- 12033Under the NEC 2026 load calculation rules, an EVSE in a dwelling has no nameplate rating available. What load is used for it?
- 12034A 24 A, 240 V EVSE with a nameplate rating of 5,760 VA is added to a one-family dwelling. What EVSE load is used in an NEC 2026 standard method calculation?
- 12035A 48 A continuous EVSE operates at 240 V. What load does it add to an NEC 2026 dwelling service load calculation?
- 12036In the NEC 2026 optional method for a single dwelling, how is a 9,600 VA EVSE treated?
- 12037NEC 2026 standard method: a dwelling has a 1,200 VA dishwasher, 900 VA disposal, 4,500 W water heater and a 7,680 VA EVSE. What is the combined load for these four items?
- 12038NEC 2026 optional method: 2,200 ft2 dwelling, two small-appliance and one laundry circuit, 12 kW range, 5 kW dryer, 1,200 VA dishwasher, 900 VA disposal, 4.5 kW water heater, 5,000 VA AC (larger than heat) and a 9,600 VA EVSE. What is the total calculated load?
- 12040Which statement about the 2 VA per ft2 dwelling unit load in the NEC 2026 is correct?
- 12041Under the NEC 2026, what load is included for each 2-wire small-appliance branch circuit in a dwelling unit?
- 12043Under the NEC 2026, what is the calculated load for 3 household electric dryers rated 5,500 W each on one feeder?
- 12044Under the NEC 2026, what is the calculated load for 6 household electric dryers rated 5,000 W each on one feeder?
- 12045Under the NEC 2026, what is the calculated load for 8 household electric dryers rated 6,000 W each on one feeder?
- 12046Under the NEC 2026, what is the calculated load for 30 household electric dryers rated 5,000 W each on one feeder?
- 12047Under the NEC 2026, what is the calculated load for 2 household electric dryers rated 5,000 W each on one feeder?
- 12048Under the NEC 2026, what is the calculated load for 45 household electric dryers rated 5,000 W each on one feeder?
- 12056Which dwelling load contributes nothing to the neutral in an NEC 2026 feeder calculation?
- 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?
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