Stumped by the Code? Code installation requirements for raceway seals in Class I locations

Stumped by the Code? Code installation requirements for raceway seals in Class I locations

Your most pressing National Electrical Code (NEC) questions answered

Q. What are the Code’s installation requirements for raceway seals in Class I locations?

A. Raceway and cable seals must comply with the requirements set forth in Sec. 501.15. As outlined in Note 1 of this Section, raceway and cable seals must be installed to:

  • Minimize the passage of gases and vapors from one portion of electrical equipment to another through the raceway or cable.
  • Minimize the passage of flames from

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