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Ultraplugcollage 300X300ULTRAPLUG® hole plugs are designed to plug and seal unused holes in metallic, aluminum and nonmetallic enclosures. They fit a wide range of sizes – from ½” pilot light to 4” conduit trade sizes – so there is no need for restrictive hole-centering spacers. The self-centering, anti-rotational design insures quick and simple one-person nut assembly and no tools are required for tightening and maintaining a NEMA 4X enclosure rating. Available in two colors. Learn more at ultraplug.alliedmoulded.com.

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ULTRAPLUG® Series Features & Benefits 


Get detailed information and specifications in the ULTRAPLUG Hole Plug product bulletin:

ULTRAPLUG Hole Plugs Product Bulletin 2015


Check out the latest video, showing just how easy it is to install a hole plug: