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by Killark 

Catalog ID: R-97

3-1/2" to 2-1/2" Reducing Bushing, Aluminum

  • Tapered threads (NPT)
  • Smooth internal bushing protects conductors
  • Threaded for Rigid Conduit or IMC

Killark’s reducing bushings and adapters assist in reducing the trade size of tapped holes and its smooth internal bushing protects conductors. The wide variety of reducing ranges allow for almost any combination of size changes. It is available in copper-free aluminum and zinc plated steel.

Product Details


Application To reduce the trade size of a taped hole or hub.
Color Silver
Finish Type Natural
Material Aluminum, Copper Free (less than 4/10 of 1%)
Series R
Type Reducing Bushing
UPC 783936570242


Dimensions 5.5 in x 5 in x 3 in
Gross Weight with Packaging 1.07
Height 3 in
Hub Size 3-1/2" to 2-1/2"
Length 5.5 in
Width 5 in

Certifications and Compliance

CSA File Number LR11716
Hazardous Rating(s)
  • Class I, Divisions 1 & 2, Groups A, B, C, D
  • Class I, Zones 1 & 2, Groups IIC, IIB, IIA
  • Class II, Divisions 1 & 2, Groups E, F, G
UL File Number E10514