Extension Rings

Explosion Proof Boxes & Accessories have a bolt-on/tap-in mounting feet that allows for easy field replacement in case of damage or breaking. They are factory drilled and tapped with internal mounting pads that enable the installer to easily add a mounting plate in the field.

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Crouse Hinds
Crouse Hinds
TP286 4 Inch Octagon Box Extension Ring 1-1/2 Deep 1/2 & 3/4 Inch Conduit Pipe Knockouts...
Raco 128
Raco 128
4 Inch Octagon Extension Ring 1-1/2 Deep 1/2 Conduit Knockouts 4/O Boxes
Raco 130
Raco 130
4 Inch Octagon Extension Ring 1-1/2 Deep 1/2 & 3/4 Knockouts Conduit 4/O Bx
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Price: $974.98 c
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Price: $614.01 c
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Price: $676.64 c
Raco 840
Raco 840
4-11/16 Inch Square 3/4 2G Raised 2 Device & Tile Cover Mud Ring/ Plaster Frame...
Raco 818
Raco 818
4-11/16 Inch Square 5/8 2G Raised 2 Device Mud Ring/ Plaster Frame Steel Cover Two...
   
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Price: $679.11 c
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Price: $483.74 c    
 
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