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Condulet C30/C31 IEC Conduit Outlet Boxes

Crouse-Hinds series C30 and C31 conduit outlet boxes are installed in electrical systems within hazardous areas to provide protection against exterior explosion where acetylene, hydrogen and other hazardous gases are present.  The IECEx outlet boxes protect conductors in threaded rigid conduit, act as pull and splice boxes, allow for a change conduit direction, and provide access to conductors for maintenance and future system changes.

C30 and C31 conduit outlet boxes are approved for use in Zone 1, 2, 21 and 22 hazardous areas.

Certifications and compliances


  • Ex d IIC T6
  • Ex tD A21 IP67 T85ºC
  • EC-Type examination certificate: LOM 02 ATEX 2037 X
  • Compliant to EN60079-0
  • IP67

Design features

  • Taper threaded hubs to provide ground continuity
  • Smooth integral hub bushing to protect conductor insulation when pulling
  • Threaded cover openings
  • Surface covers furnished with boxes
  • Neoprene o-ring gasket and green ground screw are both standard
  • Cover threads are 16 pitch

Standard materials

  • Bodies and covers – light alloy, natural finish
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