3" Aluminum, Threaded Insert Plug

3" Aluminum, Threaded Insert Plug – Electrical Close Up Plug This 3" Aluminum, Threaded Insert Plug is designed to close up taped holes or hubs in electrical enclosures. Manufactured by Killark, it is suitable for use by electrical distributors and switchgear suppliers requiring reliable sealing solutions for wire and cable entry points. The plug is made from copper-free aluminum, ensuring durability and corrosion resistance in industrial lighting solutions and electrical installations. Specifications Application: To close up a taped hole or hub Hub Size: 3" Material: Aluminum, Copper Free (less than 4/10 of 1%) Color: Gray Finish: Natural Dimensions: 4 in (Width) x 4 in (Height) x 2 in (Length) Product Weight: 0.8100 lbs Manufacturer: Killark Manufacturer Part #: CUP-8 Country of Origin: United States Made in USA: Yes UPC: 783936090085 Features Threaded insert design for secure closure of hubs or holes Constructed from copper-free aluminum for enhanced corrosion resistance Natural finish suitable for industrial and commercial electrical applications Compatible with NPT threaded enclosures; installation requires hand-tight plus one wrench turn per ANSI/ASME B1.20.1-1983 Certified for use in hazardous locations with service temperature range from -50°C to +70°C (per Killark CUP, PLUG series data sheet) Complies with electrical code requirements for grounding and installation safety Downloads & Links Installation Manuals Asset Reference STEP 3D Model Asset Reference Customer Notices Asset Reference Certification Document Asset Reference 1 Spec Sheet Certification Document Asset Reference 2 Sales Drawing Asset Reference Catalog Full Asset Reference CUP-8 Engineering Drawing