Seamless Fixture Mounting Made Easy The CSC LED Round Tenon Adaptor (PA-TA-R4-BZ) is the ideal solution for installers and contractors who need to mount FL-series fixtures onto existing 4-inch round poles. By reducing the pole opening from 4" down to the standard 2 3/8" tenon size, this adaptor ensures a secure, professional fit without the need for costly pole replacements. Built for the Job Site Finished in a classic Bronze tone, this tenon adaptor blends effortlessly with architectural and decorative outdoor lighting environments — think parking lots, pathways, streetscapes, and commercial properties. The robust construction is designed to withstand Canada's demanding outdoor conditions, providing a stable and lasting connection between pole and fixture. Compatibility & Application Specifically engineered for use with FL-mount compatible luminaires, this adaptor is a must-have auxiliary component when upgrading or installing new LED area lights, post-top fixtures, or street lights on 4-inch tenon poles. Stop overpaying for new infrastructure — this smart, cost-effective adaptor extends the life of your existing poles.