Use Bridgeport’s new adjustable endstop connectors when you need to connect and support large-sized MC feeder cable. A two-position / two-screw hinge design allows for a large cable range without the need for separate bushings.
Knockout Plug, 1-1/2″, Plastic to Cap Unused Knockout Holes
https://dev.nsiindustries.com/product/knockout-plug-1-1-2-plastic-to-cap-unused-knockout-holes/
Use the Bridgeport 1-1/2″ Plastic Knockout Plug to cap unused knockout holes in a box or enclosure.
E-Z Lock® AC/MC Locknut Connector 3/4″, Die Cast Zinc
https://dev.nsiindustries.com/product/e-z-lock-ac-mc-locknut-connector-3-4-die-cast-zinc/
Bridgeport snap-in locknut connectors offer superior installation speed with minimal tools required. Internal spring steel locking ring tabs securely clamp the cable in place. Then, a hand-tightened locknut secures the connector to the knockout.
Snap-In Connector, 1/2″, PVC for Portable Cord to Box
https://dev.nsiindustries.com/product/snap-in-connector-1-2-pvc-for-portable-cord-to-box/
The Bridgeport 620-NM 1/2″ PVC Snap-In Connector connects a nonmetallic portable cord to one 14/2 to 10/3 cable or two 14/2 to 12/2 cables to box applications without a locknut. Made in the USA, the connector is 1-3/8 inches long.