Arlington 459250 Insulated Metal Grounding Bushings

Ensure reliable, code-compliant grounding for your security and network installations with the Arlington 459250 insulated metal grounding bushing. This Arlington Industries insulating bushing delivers a durable, threaded 4-inch mounting that secures grounding conductors while protecting cable insulation — ideal for surveillance, monitoring and low-voltage infrastructure. Constructed from zinc die-cast and rated to 150°C, the bushing resists corrosion and thermal stress in equipment rooms and outdoor enclosures. The dual-rated C-clamp grounding lug accepts both copper and aluminum conductors, simplifying field installs on mixed-metal systems. With capacity for 6 AWG up to 250 MCM conductors, it handles a wide range of grounding requirements for security panels, cameras, network racks and power distribution. Packaged in convenient 5-packs and made in the US, this grounding bushing reduces install time and parts complexity while improving system safety and EMI control. Add the Arlington 459250 to your next project for dependable grounding performance — order the 5-pack today and streamline your cable grommets and bushings inventory.

• Provides secure threaded grounding for security, surveillance and networking installs, reducing electrical noise and improving system reliability
• Insulated zinc die-cast body resists corrosion and withstands up to 150°C for long-lasting performance in harsh environments
• Dual-rated C-clamp lug accepts both copper and aluminum conductors to simplify grounding on mixed-metal jobs
• Wide conductor range from 6 AWG to 250 MCM covers low-voltage, data and power grounding needs without extra parts
• 4" threaded design ensures a snug fit in conduit hubs and enclosures for cleaner cable management and faster installs