Kichler 15276BK, 120V Power Post Stake Black, fast, one-step connection. 2 1/4" inside diameter accepts conduit of different sizes. Made of impact and corrosion-resistant PVC, suitable for wet locations. No unsightly junction boxes or time-taking assembly, just a trouble-free installation. Designed for line voltage (120-Volt) landscape lighting. Eliminates need for above or below ground boxes. Built-in stabilizer removes need for concrete.