For Preventing Passage of Gases, Vapors or Flames From One Portion of Conduit System to Another; Required in Class I, Division 1 and 2 Locations Within 18 in of Enclosures Containing Apparatus That May Cause Arcs, Sparks or High Temperatures; Required in C
Locknut

• Type: Locknut
• Special Features: For Preventing Passage of Gases, Vapors or Flames From One Portion of Conduit System to Another; Required in Class I, Division 1 and 2 Locations Within 18 in of Enclosures Containing Apparatus That May Cause Arcs, Sparks or High Temperatures; Required in C Used to Secure an Ordinary Nut From Working Loose by Locking, Itself When Screwed Down Tight