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NEC Article 100: Mastering Key Electrical Definitions Quiz

Enhance your understanding of electrical standards with this focused quiz on NEC Article 100. Master key definitions critical for compliance and safety in electrical engineering, suitable for professionals and students alike.

Questions: 29 | Attempts: 14 | Last updated: Aug 4, 2025

Sample Question 1
What does 'accessible' mean as it applies to equipment?

Only accessible to individuals with a specific authorization code.

Accessible only during specific times of the day.

Admitting close approach and not guarded by locked doors, elevation, or other effective means.

Not able to be reached or entered without difficulty or risk.

Protected by physical barriers or security measures that prevent close approach.

Sample Question 2
What does 'accessible' mean as it applies to wiring methods?

Subject to fluctuations in temperature

Not visible to the naked eye

Completely enclosed in concrete

Not permanently closed in by the building or structure or finish and capable of being removed or exposed without damaging the building structure or finish.

Sample Question 3
What does 'accessible, readily' mean?

Dependent on the use of portable ladders for access.

Capable of being reached quickly without having to climb over or remove obstacles or resort to portable ladders.

Difficulty in reaching due to barriers or obstacles.

Needing to climb over obstacles to reach.

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