1/2 (half) Inch and 3/4 (three quarter) Inch Threaded Electrical Junction Box Plugs
myminifactory
This is a threaded plug designed specifically for electrical junction boxes. The 1/2-inch and 3/4-inch versions are available, along with models featuring a hex thumb screw that simplifies tightening and loosening operations - a highly recommended feature to avoid carrying bulky flat-head screwdrivers. For optimal performance, apply dielectric grease to the threads to prevent water ingress into your electrical box. To meet National Electrical Code (NEC) regulations, print this plug in flame-retardant filament and protect it from UV rays by using UV-stable filament or applying a UV-protective coating.
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