Certifications and compliances

NEC/CEC

  • UL and cUL Listed
  • NEMA: FB-1 (MHUB series)
  • Suitable for wet locations
  • RoHS compliant (MHUB series)

Design features

CHB hubs:

  • Neoprene grade chloroprene gasket firms into an elastic compound (similar to rubber) and provides environmental protection for industrial applications
  • Medium viscosity flame retardant insuliner provides a smooth pulling surface
  • Cast threads meet UL standards and allow quick and easy installation
  • Hex surfaces on the body make tightening with a wrench easy
  • Thinner, lighter weight construction
  • Available in standard and grounded version to meet customer preferences

MHUB hubs:

  • Male thread type
  • Tapered female thread for rigid conduit and IMC
  • Recessed o-ring gasket assures raintight and secure environmental connections
  • Insulated throat provides smooth pulling surface
  • Locking screw on the nut doubles as a grounding screw for added safety
  • Complete size range from 1/2” to 6”
  • Hubs fit standard knockouts; no special tools required

Standard materials

CHB hubs:

  • Body and nut – corrosion-resistant Zamek-2 and Zamek-3 type zinc
  • Gasket – neoprene grade chloroprene
  • Insuliner – Lexan 920A, medium viscosity flame retardant grade

MHUB hubs:

  • Body and nut – malleable iron with zinc electroplate or mechanically galvanized (hot dip) finish

Drawings and design support

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