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Gray zinc-alloy threaded grounding hub, 2-inch NPT, insulated, CSA and UL listed

Hubbell Incorporated

Hubbell Incorporated RACO 1708 IMC Grounding Hub 2 in Threaded Zinc Alloy Gray

SKU CH-MCMT-BFJVN

Threaded zinc-alloy hub grounds 2-inch IMC conduit, CSA certified and UL 514B listed

  • Color MappingGray
  • TypeCable Management & Conduit
  • UL 514B and CSA certified for code compliance
  • Threaded NPT hub connects 2 in RMC and IMC conduit
  • Zinc-alloy body with zinc-plated finish resists corrosion
  • Insulated throat protects conductors during pulling
  • 98 lb weight allows single-person installation

Grounding Hub for 2 in RMC and IMC

This RACO 1708 hub connects threaded rigid metal conduit or intermediate metal conduit in a straight run. The zinc-alloy body is zinc-plated gray and carries CSA certification plus UL 514B listing. Insulated throat and included clamp protect conductors during pull-through. Trade size is 2 in with NPT threads female-to-male.

Verify Conduit Type and Thread Standard

Confirm the raceway is RMC or IMC with 2 in trade size and NPT threads at 11-1/2 threads per inch. The fitting requires a female-to-male connection on straight-threaded conduit ends. Check that the 1 7/8 in overall length and 3 7/32 in width fit the enclosure knockout and available workspace. No other conduit types or thread forms are compatible.

Suits Electricians Running RMC or IMC Systems

Ideal for commercial and industrial jobs where grounded metallic conduit must terminate in a box or enclosure. The insulated hub and clamp speed installation while meeting code. Not for EMT, PVC, flexible metal conduit or any non-threaded raceway. Buyers needing a different trade size, a non-insulated throat or a set-screw coupling should select another fitting.

Highlights

  • UL 514B and CSA certified for code compliance
  • Threaded NPT hub connects 2 in RMC and IMC conduit
  • Zinc-alloy body with zinc-plated finish resists corrosion
  • Insulated throat protects conductors during pulling
  • 98 lb weight allows single-person installation

Specifications

BrandRACO
Color MappingGray
TypeCable Management & Conduit

Questions about this item

What comes with the RACO 1708 grounding hub and do I need to buy a locknut or bushing separately?

The hub includes an insulated throat and a clamp for securing the conduit; no separate locknut or bushing is required for a standard threaded RMC or IMC installation.

Should I choose the 2 in trade size or a different size for my conduit run?

This hub is built for 2 in trade size RMC and IMC conduit only; select it when your raceway is 2 in trade size, otherwise choose the hub that matches your conduit trade size.

What does the CSA and UL 514B listing mean when the hub is installed in a live electrical system?

The certifications confirm the zinc alloy hub meets grounding continuity and mechanical strength requirements for wet or dry locations when used with threaded RMC or IMC.

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