Electrical Code Final Exam Questions
& Answers (Grade A+)
What is the purpose of National Electrical Code? -
correct answer ✅Practical safe-guarding of persons/property from
hazards involving electricity.
50+ lb light fixture installation requirements. -
correct answer ✅Independently supported of outlet box, UNLESS
outlet box marked for the max weight.
Factors that must be taken into account when sizing boxes per NEC
(4) -
correct answer ✅-Cubic inch volume allowance
-Using metal/plastic
-Conductors being different sizes
-A means for grounding
NEC definition of an outlet? -
correct answer ✅A point on the wiring system at which current is
taken to supply utilization equipment.
Receptacle: -
correct answer ✅A contact device installed at the outlet for the
connection of an attachment plug.
, Electrical Code Final Exam Questions
& Answers (Grade A+)
Receptacle outlet: -
correct answer ✅An outlet where 1 or more receptacles are
installed.
Why does the Code discourage mounting receptacles below edge of
kitchen countertops? -
correct answer ✅Water
What is one potential problem with using higher temperature,
higher ampacity wire? -
correct answer ✅Higher resistance
Type NM-B cable: -
correct answer ✅Insulated conductors enclosed within an overall
non-metallic jacket, rate 90 degrees
Type NMC-B cable: -
correct answer ✅Insulated conductors enclosed within an overall,
CORROSION resistant, non-metallic jacket.
& Answers (Grade A+)
What is the purpose of National Electrical Code? -
correct answer ✅Practical safe-guarding of persons/property from
hazards involving electricity.
50+ lb light fixture installation requirements. -
correct answer ✅Independently supported of outlet box, UNLESS
outlet box marked for the max weight.
Factors that must be taken into account when sizing boxes per NEC
(4) -
correct answer ✅-Cubic inch volume allowance
-Using metal/plastic
-Conductors being different sizes
-A means for grounding
NEC definition of an outlet? -
correct answer ✅A point on the wiring system at which current is
taken to supply utilization equipment.
Receptacle: -
correct answer ✅A contact device installed at the outlet for the
connection of an attachment plug.
, Electrical Code Final Exam Questions
& Answers (Grade A+)
Receptacle outlet: -
correct answer ✅An outlet where 1 or more receptacles are
installed.
Why does the Code discourage mounting receptacles below edge of
kitchen countertops? -
correct answer ✅Water
What is one potential problem with using higher temperature,
higher ampacity wire? -
correct answer ✅Higher resistance
Type NM-B cable: -
correct answer ✅Insulated conductors enclosed within an overall
non-metallic jacket, rate 90 degrees
Type NMC-B cable: -
correct answer ✅Insulated conductors enclosed within an overall,
CORROSION resistant, non-metallic jacket.
