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Gray threaded steel reducing bushing, 1-1/2 to 3/4 inch, zinc plated

Hubbell Incorporated

Hubbell Incorporated RACO 1149 Reducing Bushing 1 1/2 in to 3/4 in Threaded Steel Zinc Plated Gray

SKU CH-TCXD-2T07D

Reduces threaded rigid conduit from 1 1/2 in to 3/4 in with zinc-plated steel construction

  • Color MappingGray
  • TypeCable Management & Conduit
  • Reduces conduit from 1-1/2 in to 3/4 in trade size
  • Zinc-plated steel resists corrosion in damp locations
  • cULus listed for code-compliant installations
  • Threaded NPS female-to-male connection ensures secure fit
  • Lightweight 0.35 lb design simplifies overhead mounting

Reducing Bushing for RMC and IMC Conduit

This steel reducing bushing adapts threaded rigid metal conduit from one and one half inch trade size down to three quarter inch trade size. It is cULus listed for use with RMC and IMC systems. The zinc plated gray finish provides corrosion resistance in standard electrical installations.

Threaded Adapter Replaces Coupling

The single piece fitting replaces a separate reducer coupling and short nipple when transitioning between conduit sizes. The jump is worth it when a compact female to male NPS threaded connection is required inside a junction box or enclosure. The one and seven eighths inch overall height keeps the assembly low profile.

Simple Threaded Installation With Standard Tools

Installation requires only a wrench to tighten the male threads into the female hub or fitting. The female end then accepts the smaller conduit. The main risk is cross threading the NPS threads or over tightening, which can distort the zinc plating and compromise the ground path. The bushing weighs thirty five hundredths of a pound.

Highlights

  • Reduces conduit from 1-1/2 in to 3/4 in trade size
  • Zinc-plated steel resists corrosion in damp locations
  • cULus listed for code-compliant installations
  • Threaded NPS female-to-male connection ensures secure fit
  • Lightweight 0.35 lb design simplifies overhead mounting

Specifications

BrandRACO
Color MappingGray
TypeCable Management & Conduit

Questions about this item

What overall length does the 1 1/2 in to 3/4 in reducing bushing add to the conduit run?

The overall length is 23/32 in, so it adds that amount between the two threaded RMC ends.

Which thread standard and gender must the mating fittings match for a correct installation?

The bushing uses NPS threads, female on the 1 1/2 in side and male on the 3/4 in side; the step often missed is confirming both conduit ends are cut and threaded to NPS before assembly.

When should the zinc-plated steel bushing be inspected or replaced in a rigid metal conduit system?

Inspect the zinc plating for white rust or red corrosion during routine conduit checks; replace the fitting if the coating is breached or threads show galling that prevents a tight joint.

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