Diagnostic Test For Electrician License Examination Preparation
Optional Residential Service Calculation
Time Limit for This Page: 24 minutes
References Permitted: National Electrical CodeŽ, American Electrician's Handbook
Appropriate for Journeyman Electrician, Master Electrician and Electrical Inspector Exams.
Question #1
What is the minimum residential service permitted on a 1600 square foot house with 10 kW electric heat, 7 1/2 kW air conditioner, a 12 kW range, 10 kW oven, 10 - 1/4 HP ceiling fans, and 12 kW nameplate of all other loads if the optional method of service calculation is used?
Question #2
What is the minimum residential service permitted in a 2450 square foot house with 10 kW electric heat, 5 HP AC condenser motor, 22 kW nameplate household cooking loads and 16 kW nameplate of all other loads if the optional method of service calculation is used?
Question #3
What is the minimum residential service permitted on a 5200 square foot house with 6 small appliance branch circuits, two clothes washers, two 5 kW clothes dryers, 16 kW heat, 12 kW AC, 32.6 kW nameplate all other loads if the optional method of service calculation is used?
Question #4
What is the minimum residential service permitted on a 7500 square foot house if the heat is 30 kW and there are 3 - 7 1/2 HP AC condensers when all other connected load nameplate is 48.8 kW if the optional method of service calculation is used?
Upon completion, use any remaining time to make sure you have the right answers. When time has expired, go to the answer page to check your answers with the given answers.
Click HERE for ANSWERS TO DIAGNOSTIC TESTS.
If you did not score three correct in the time allowed, then you might want to consider exam preparation with the help of the David U. Larson workbook:
Click HERE for INFO ABOUT Calculations Workbooks for Electrician License Examinations.