Arlington Industries GPD9BR Gard-N-Post Outdoor Deck-Mount Light Post for Outlets/Lamps, 9-Inch, Bronze Lets you install a light fixture, and light switches or outlets outside in your garden Openings on both sides of the post allow for back to back power Deck mounted base is ready to screw onto your deck or dock Designed for easy access to underground wiring Professionals use arlington Gard-n-posts