DIY Network

Dean and Derek's Tips for Digging Trenches To install outdoor lighting, Dean and Derek dig a trench using a specialized tool. Watch this, and other, web-exclusive videos at the Indoors Out main page.

A power trencher can be rented for about $100 and can make quick work of the digging part of the project.

In this web-exclusive video, Dean Marsico and Derek Stearns dive in with helpful tips for digging trenches for low-voltage outdoor lighting. They introduce the proper tools for the task and explain the importance of using PVC pipe.

Following is a summary of the steps and tips as seen in this special Indoors Out video, as well as a list of materials and tools used in this project. page.

Materials and tools:

power trencher
trenching spade
1" PVC pipe

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If you want to install low voltage lighting in your outdoor room, you'll first need to dig a trench. Here are a few tips to make sure you do the job right:

• Important: Before you start digging, call your utility department to find our where your cable, phone and electricity wires are located.

• You can dig your trench with the help of a power trencher and a trenching spade. A power trencher can be rented for about $100 from a local tool rental store.

• The trench should be dug at a 12-inch depth.

• As you lay your wires, snake them through 1-inch PVC pipe. If you are digging in your yard in the future, the PVC pipe will help prevent damage to the wires.

• Make sure you test your wires to make sure they are working. Then finish by filling in the trench.