ND Electrician Practice Questions - North Dakota Journeyman Electrician License Exam

Per NEC 501.15(B)(2), what is the purpose of conduit seals in Class I hazardous locations?

To prevent water from entering conduits To prevent the passage of gases, vapors, and flames through conduit from one area to another To support conductors within the conduit To provide a grounding connection point

Correct Answer:

To prevent the passage of gases, vapors, and flames through conduit from one area to another

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