Reducer bushing for weatherproof outlet boxes

Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits

Reexamination Certificate

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Details

C174S064000, C174S135000, C174S050000, C220S003200

Reexamination Certificate

active

06992252

ABSTRACT:
A removable reducer bushing is carried in a threaded port of an outlet box for coupling with a small threaded conduit and electively removable for coupling with a large threaded conduit thereby permitting a single box to handle multiple conduit sizes without separately procured parts. The bushing includes a deformable thread interruption resisting bushing rotation during removal of the small threaded conduit and frontal slots for manual removal of the bushing with a screwdriver against the resistance of the thread interruption.

REFERENCES:
patent: 4151363 (1979-04-01), Nichols

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