Arlington 663 Cast Aluminum Sill Plate with Screws and Duct Sealing Compound, 10-Piece

Keep exterior cabling secure and weather-resistant with the Arlington Industries 663 cast aluminum sill plate kit. Designed for use in security, surveillance, and monitoring installations, this sill plate creates a durable, weather-tight passthrough that protects cables and conduit at the building sill. The cast aluminum construction resists corrosion and provides reliable mechanical support while the included screws and duct sealing compound deliver a complete sealing solution on the first visit.

Sized to accept (3) #4 to (3) #2 conductors, the 10-piece kit streamlines installations of power and signal wiring for cameras, access control, and monitoring equipment. At just under 3" wide, each plate fits standard sill openings and keeps cabling organized and protected from the elements. For contractors and integrators focused on efficient, code-compliant installs, this product reduces rework and improves system uptime.

Ideal for commercial and residential security projects, the Arlington Industries 663 sill plates are a practical addition to any installer’s inventory. Order the 10-piece kit today to speed deployments and ensure professional, weather-tight cabling.

• Provides a weather-tight, secure passthrough to protect surveillance and security cabling from moisture and air infiltration
• Pre-sized to accept (3) #4 to (3) #2 conductors, simplifying wire routing for monitoring and power runs
• Includes screws and duct sealing compound for a complete, time-saving installation solution
• Cast aluminum construction resists corrosion and delivers long-term durability in exterior sill plate applications
• 10-piece kit reduces jobsite trips and speeds up deployments on multiple security or networking installs