NEC 220 Questions with Complete Solutions (Latest 2025) (1)Branch circuits that supply lighting units that have ballasts, transformers, autotransformers, or LED drivers shall have the calculated load based on _____ rating of the units, not to the total wattage of the lamps. - Correct Answers ✅the total ampere (2) For other than dwelling units or guest rooms of hotels or motels, the feeder and service calculation for track lighting shall be calculated at 150 VA for every _____ ft of lighting track or fraction thereof unless the track is supplied through a device that limits the current to the track. - Correct Answers ✅2 (3) A dwelling unit containing three 120V small-appliance branch circuits has a calculated load of _____ VA for the small- appliance circuits. - Correct Answers ✅4500 (4) When sizing a feeder for the fixed appliance loads in dwelling units, a demand factor of 75 percent of the total nameplate ratings can be applied if there are _____ or more appliances fastened in place on the same feeder. - Correct Answers ✅four (5) Where there are two or more air-conditioning units served by the same feeder, it shall be permissible to apply a dwelling unit appliance load demand factor of 75 percent. - Correct Answers ✅False
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