Electrical Safety and Vision Quiz
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Questions and Answers

Which of the following is true about the National Electrical Code (NEC)?

  • It is a code that is only applicable to residential buildings.
  • It specifies the maximum provisions necessary for protecting people and property from the use of electricity and electrical equipment.
  • It is a model code that specifies the minimum provisions necessary for protecting people and property from the use of electricity and electrical equipment. (correct)
  • It is a code that is only applicable to commercial buildings.

    • What is the definition of illuminance?

  • The amount of light incident on (striking) a surface. (correct)
  • The distance from one peak of one wave to the next wave.
  • The number of wave cycles per second.
  • The amount of light leaving an object.

    • What is color blindness?

  • The inability to see in bright light conditions.
  • The inability to see objects that are close.
  • The inability to distinguish colors. (correct)
  • The inability to see in low light conditions.

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