How to Install Outdoor String Lights Permanently

Permanently install outdoor string lights by mounting weatherproof supports every 10-12 feet, using appropriate hardware for your surface type, and connecting to a GFCI-protected electrical source.

1. Map Your Light Path First. Measure the area and sketch your desired light pattern. Mark mounting points every 10-12 feet to prevent excessive sagging. Consider the electrical source location and plan the shortest route from your power supply. Account for obstacles like trees, gutters, or roof lines that might interfere with installation.
2. Pick Hardware for Your Surface. Select appropriate hardware based on your mounting surfaces. Use eye bolts or screw hooks for wooden posts and decks. For masonry or brick, choose masonry anchors or concrete screws. Stainless steel or galvanized hardware prevents rust. Ensure all hardware is rated for outdoor use and can support the weight of your string lights plus wind load.
3. Anchor Your Support Points Solid. Drill pilot holes at marked locations using the appropriate bit size for your hardware. For wood, drill slightly smaller than your screw diameter. For masonry, use a hammer drill with a masonry bit. Install eye bolts, hooks, or anchors at each support point, ensuring they're level and properly tightened. Test each mount by applying gentle pressure.
4. Wire It Safe and Weatherproof. Install a GFCI outlet if one isn't available near your starting point. Run outdoor-rated extension cord or install permanent wiring to reach your first light string. Use weatherproof outlet covers and ensure all connections are protected from moisture. Consider adding a timer switch or smart switch for convenient control.
5. String Lights with Perfect Drape. Start at the power source and work your way along your planned route. Attach lights to each support point, allowing slight sagging between points for a natural drape. Use zip ties or wire clips to secure lights without over-tightening. Leave enough slack at connections to prevent strain on electrical joints.
6. Test Everything Before Celebration. Double-check all mounting points and electrical connections. Plug in the lights and test each section. Walk the entire installation checking for proper support and even spacing. Make final adjustments to light positioning and tighten any loose hardware. Install any additional weatherproofing needed for connections.