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
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
