NATIONAL ELECTRICAL CODE
COMPREHENSIVE EXAM SCRIPT VERIFIED
QUESTIONS AND SOLUTIONS GRADED
APLUS
●● Why does the NEC matter?
Answer: It gives the minimum safety standard electricians, inspectors,
engineers, and contractors use for electrical work.
●● What is the purpose of the NEC?
Answer: The practical safeguarding of persons and property from
hazards arising from the use of electricity.
●● What hazard pushed people to create the NEC?
Answer: Electrically caused fires were becoming common, so the
industry needed one national safety standard.
●● What happened in 1882?
Answer: Thomas Edison's Pearl Street Station began operating in New
York City as the first central-station electric generating plant.
●● Why was early electricity dangerous/confusing?
, Answer: Different people and companies were creating their own
methods, and by 1895 there were multiple electrical codes with no single
accepted standard.
●● When was the first NEC created?
Answer: 1897.
●● Who helped create the original NEC?
Answer: Insurance, electrical, architectural, and allied interests worked
together to make national rules.
●● Who maintains and publishes the NEC?
Answer: The National Fire Protection Association, or NFPA.
●● Since when has NFPA sponsored the NEC?
Answer: 1911.
●● How often is the NEC revised?
Answer: Every three years.
●● Since when has the NEC been on a three-year revision cycle?
Answer: Since 1975.
COMPREHENSIVE EXAM SCRIPT VERIFIED
QUESTIONS AND SOLUTIONS GRADED
APLUS
●● Why does the NEC matter?
Answer: It gives the minimum safety standard electricians, inspectors,
engineers, and contractors use for electrical work.
●● What is the purpose of the NEC?
Answer: The practical safeguarding of persons and property from
hazards arising from the use of electricity.
●● What hazard pushed people to create the NEC?
Answer: Electrically caused fires were becoming common, so the
industry needed one national safety standard.
●● What happened in 1882?
Answer: Thomas Edison's Pearl Street Station began operating in New
York City as the first central-station electric generating plant.
●● Why was early electricity dangerous/confusing?
, Answer: Different people and companies were creating their own
methods, and by 1895 there were multiple electrical codes with no single
accepted standard.
●● When was the first NEC created?
Answer: 1897.
●● Who helped create the original NEC?
Answer: Insurance, electrical, architectural, and allied interests worked
together to make national rules.
●● Who maintains and publishes the NEC?
Answer: The National Fire Protection Association, or NFPA.
●● Since when has NFPA sponsored the NEC?
Answer: 1911.
●● How often is the NEC revised?
Answer: Every three years.
●● Since when has the NEC been on a three-year revision cycle?
Answer: Since 1975.
