How to Install Low-Voltage Garden Lighting

Lighting your landscape transforms a dark backyard into a usable evening retreat while instantly boosting your home's curb appeal. Low-voltage systems are the gold standard for DIYers because they use 12-volt power, which removes the need for deep trenching or conduit and makes the occasional accidental nick from a shovel a non-lethal event. Executing this project well means planning your layout before you break ground. You want to focus on highlighting specific architectural features or focal points like trees or garden beds, rather than lining your path like a runway. When you hide the cabling properly and tuck the transformer out of sight, the result is a professional-grade look that adds safety and ambiance to your property.

1. Mark Your Light Positions. Place your light fixtures along your path or garden beds without securing them. Run a string of cable to ensure you have enough length to reach the transformer location.
2. Secure the Power Hub. Attach the transformer to a wall near an outdoor GFCI outlet. Ensure it is at least 12 inches above the ground to protect it from splashing water.
3. Route Your Cable Path. Unspool your low-voltage cable along the path of your fixtures. Allow for extra slack at each light location so you can adjust the positioning later if needed.
4. Clip Lights to Cable. Attach the light fixtures to the cable using the provided quick-clip connectors. These clamps pierce the cable insulation to make contact with the wire inside.
5. Power Up and Verify. Plug the transformer into the outlet and toggle the power to ensure every light illuminates. If a light is off, check the connection at the cable junction.
6. Hide the Wiring Underground. Cut a shallow trench 3 to 4 inches deep using a flat-head shovel. Press the cable into the trench and cover it with soil or mulch.