PLASTI-BOND REDH2OT KNOCKOUT HUBS
Knockout Hubs
Knock Hubs Specifications
PLASTI-BOND REDH2OT ST style knockout hubs are used to terminate conduit runs through the wall of a sheet metal electrical enclosure. They are available with ot without grounding lug. STTB style hubs are “Through- Bulkhead” fittings used to pass conduit runs through firewalls or bulkheads up to 1/8 thick. STTTB style hubs perform the same function for unlimited wall thicknesses, (furnished without nipples).