National Electrical Code (NEC) Article 220
Exam Questions And Answers
Unless otherwise specified, for purposes of calculating branch-
circuit and feeder loads, nominal system voltages of 120, 120/240,
208Y/120, 240, 347, 480, 600Y/347, and 600 volts are to be used. -
correct answer ✅True.
Where fixed multioutlet assemblies are used in other than dwelling
units or the guest room of hotels or motels, each _______or
fraction thereof of each separate and continuous lengthh shall be
considered as one outlet of not less than 180 VA where appliances
are unlikely to be used simultaneously. -
correct answer ✅5 ft.
For other than dwelling occupancies, banks, or office buildings,
each receptacle outlet shall be calculated at not less than _____ VA.
-
correct answer ✅180 VA.
The 3 VA per sq ft general lighting load for dwelling units includes
general-use receptacles and lighting outlets. -
correct answer ✅True.
, National Electrical Code (NEC) Article 220
Exam Questions And Answers
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 answer ✅the total ampere.
The minimum feeder load for show-window lighting is ______ VA
per linear foot. -
correct answer ✅200 VA.
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 answer ✅2 ft.
When calculations in Article 220 results in a fraction or an ampere
that is less than ________, such fractions can be dropped. -
correct answer ✅0.50.
Exam Questions And Answers
Unless otherwise specified, for purposes of calculating branch-
circuit and feeder loads, nominal system voltages of 120, 120/240,
208Y/120, 240, 347, 480, 600Y/347, and 600 volts are to be used. -
correct answer ✅True.
Where fixed multioutlet assemblies are used in other than dwelling
units or the guest room of hotels or motels, each _______or
fraction thereof of each separate and continuous lengthh shall be
considered as one outlet of not less than 180 VA where appliances
are unlikely to be used simultaneously. -
correct answer ✅5 ft.
For other than dwelling occupancies, banks, or office buildings,
each receptacle outlet shall be calculated at not less than _____ VA.
-
correct answer ✅180 VA.
The 3 VA per sq ft general lighting load for dwelling units includes
general-use receptacles and lighting outlets. -
correct answer ✅True.
, National Electrical Code (NEC) Article 220
Exam Questions And Answers
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 answer ✅the total ampere.
The minimum feeder load for show-window lighting is ______ VA
per linear foot. -
correct answer ✅200 VA.
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 answer ✅2 ft.
When calculations in Article 220 results in a fraction or an ampere
that is less than ________, such fractions can be dropped. -
correct answer ✅0.50.
