

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The HUBBELL CUP9 is a 3-1/2 inch aluminum threaded insert plug designed for closing up taped holes or hubs in conduit systems. It features a natural aluminum finish with copper content less than 0.4%, providing corrosion resistance and durability. Designed with threaded NPT hubs for secure installation.
This plug is part of Hubbell's CUP series and is CSA and UL certified for hazardous locations.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!