UL 2029

Outline of Investigation for Gas/Vapor-Blocked Cable Classified for Use in Class I Hazardous (Classified) Locations

1.1 These requirements cover Types MC, MV, TC, SNM, and PLTC cable, the construction of which restricts the flow of gas or vapor through the cable to a level not exceeding 0.007 cubic foot per hour (198 cm3/h) of air at a pressure of 6 inches (152 mm) of water.


  • Edition Number: 4
  • Edition Date: 12/04/2006
  • Price Code: A
  • Type: outline
  • ANSI Approved:
  • DOD Approved: