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Exam CFPS topic 1 question 6 discussion

Actual exam question from NFPA's CFPS
Question #: 6
Topic #: 1
[All CFPS Questions]

Electrical equipment used in Class I, Division I hazardous locations is often referred to as:

  • A. intrinsically safe
  • B. explosion resistant.
  • C. propagation resistant.
  • D. explosion proof.
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Suggested Answer: D 🗳️

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KhalidAwan1
6 months, 1 week ago
Explosion-proof or flame-proof equipment is sealed and rugged, such that it will not ignite a hazardous atmosphere, despite any sparks or explosion
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