Ohio Electrical Contractor
License NEC Code & Safety
Standards 2026 Exam Questions
and Verified Answers | Already
Graded A+
What is the purpose of the National Electrical Code? - 🧠 ANSWER
✔✔Guidance on the examination of equipment, wiring planning, and
specifies the use and expression of measurements.
,What does the National Electrical Code cover? - 🧠 ANSWER ✔✔The
installation and removal of electrical conductors, equipment, and raceways.
Which chapters of the National Electrical Code can modify each other? - 🧠
ANSWER ✔✔Chapters 5, 6, and 7.
Who is responsible for enforcing the National Electrical Code? - 🧠
ANSWER ✔✔The authority having jurisdiction.
What do the words 'shall' or 'shall not' indicate in the National Electrical
Code? - 🧠 ANSWER ✔✔Mandatory rules.
Where can you find procedures for the formal interpretation of the National
Electrical Code? - 🧠 ANSWER ✔✔In the NFPA Regulations Governing
Committee Projects.
Why is an inspection needed at the time of installation of equipment listed
by a qualified electrical testing laboratory? - 🧠 ANSWER ✔✔To detect
alterations or damage.
Will specifications allowing for future increases in electric power and
communications circuits be likely if plans provide plenty of space in
raceways? - 🧠 ANSWER ✔✔Yes.
,What is another name for the modernized version of metric used in the
National Electrical Code? - 🧠 ANSWER ✔✔International System of Units
(SI).
What does Article 110 of the National Electrical Code provide specifications
for? - 🧠 ANSWER ✔✔Electrical installations, including inspection and
approval, installation and use, and access to surrounding spaces.
Is installation ready for use if it meets requirements and has the proper
permits? - 🧠 ANSWER ✔✔No, approval is also required.
What factors must be considered when determining the right equipment for
an installation? - 🧠 ANSWER ✔✔Electrical insulation, heating effects, and
arcing effects.
Should the voltage rating for electrical equipment be less than the voltage
of the circuit it is connected to? - 🧠 ANSWER ✔✔No.
Which materials may be used as current carrying conductors? - 🧠
ANSWER ✔✔Copper, Aluminum, and Copper-clad aluminum.
How can conductor sizes be expressed? - 🧠 ANSWER ✔✔American Wire
Gage (AWG) and circular mils.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, What should NOT exist in a completed wiring installation? - 🧠 ANSWER
✔✔Short circuits and ground faults.
What determines the fault level needed for interrupting equipment? - 🧠
ANSWER ✔✔The current available at the line terminals of electrical
equipment.
What characteristics of the circuit being protected should be selected and
coordinated to clear a fault without causing damage? - 🧠 ANSWER ✔✔The
total impedance, the equipment short-circuit current ratings, all of the above
What exposures should be limited where conductors or equipment are
located? - 🧠 ANSWER ✔✔Gases, fumes and vapors, liquids, all of the
above
How far from the outer surface of a nonmetallic enclosure should a metallic
plug or plate be recessed? - 🧠 ANSWER ✔✔1/16 inch
What is prohibited when cooling electrical equipment? - 🧠 ANSWER
✔✔Using walls or adjacent equipment to block the natural circulation of air
Is it permitted to use a set-screw type pressure connector to complete the
connection of conductors to terminal parts? - 🧠 ANSWER ✔✔Permitted
License NEC Code & Safety
Standards 2026 Exam Questions
and Verified Answers | Already
Graded A+
What is the purpose of the National Electrical Code? - 🧠 ANSWER
✔✔Guidance on the examination of equipment, wiring planning, and
specifies the use and expression of measurements.
,What does the National Electrical Code cover? - 🧠 ANSWER ✔✔The
installation and removal of electrical conductors, equipment, and raceways.
Which chapters of the National Electrical Code can modify each other? - 🧠
ANSWER ✔✔Chapters 5, 6, and 7.
Who is responsible for enforcing the National Electrical Code? - 🧠
ANSWER ✔✔The authority having jurisdiction.
What do the words 'shall' or 'shall not' indicate in the National Electrical
Code? - 🧠 ANSWER ✔✔Mandatory rules.
Where can you find procedures for the formal interpretation of the National
Electrical Code? - 🧠 ANSWER ✔✔In the NFPA Regulations Governing
Committee Projects.
Why is an inspection needed at the time of installation of equipment listed
by a qualified electrical testing laboratory? - 🧠 ANSWER ✔✔To detect
alterations or damage.
Will specifications allowing for future increases in electric power and
communications circuits be likely if plans provide plenty of space in
raceways? - 🧠 ANSWER ✔✔Yes.
,What is another name for the modernized version of metric used in the
National Electrical Code? - 🧠 ANSWER ✔✔International System of Units
(SI).
What does Article 110 of the National Electrical Code provide specifications
for? - 🧠 ANSWER ✔✔Electrical installations, including inspection and
approval, installation and use, and access to surrounding spaces.
Is installation ready for use if it meets requirements and has the proper
permits? - 🧠 ANSWER ✔✔No, approval is also required.
What factors must be considered when determining the right equipment for
an installation? - 🧠 ANSWER ✔✔Electrical insulation, heating effects, and
arcing effects.
Should the voltage rating for electrical equipment be less than the voltage
of the circuit it is connected to? - 🧠 ANSWER ✔✔No.
Which materials may be used as current carrying conductors? - 🧠
ANSWER ✔✔Copper, Aluminum, and Copper-clad aluminum.
How can conductor sizes be expressed? - 🧠 ANSWER ✔✔American Wire
Gage (AWG) and circular mils.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, What should NOT exist in a completed wiring installation? - 🧠 ANSWER
✔✔Short circuits and ground faults.
What determines the fault level needed for interrupting equipment? - 🧠
ANSWER ✔✔The current available at the line terminals of electrical
equipment.
What characteristics of the circuit being protected should be selected and
coordinated to clear a fault without causing damage? - 🧠 ANSWER ✔✔The
total impedance, the equipment short-circuit current ratings, all of the above
What exposures should be limited where conductors or equipment are
located? - 🧠 ANSWER ✔✔Gases, fumes and vapors, liquids, all of the
above
How far from the outer surface of a nonmetallic enclosure should a metallic
plug or plate be recessed? - 🧠 ANSWER ✔✔1/16 inch
What is prohibited when cooling electrical equipment? - 🧠 ANSWER
✔✔Using walls or adjacent equipment to block the natural circulation of air
Is it permitted to use a set-screw type pressure connector to complete the
connection of conductors to terminal parts? - 🧠 ANSWER ✔✔Permitted
