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Electrician Ben Giles installs a 12-volt linear LED tape lighting system on the new pergola beams at the Westerly house. He shows apprentice De’Shaun how to cut the two separate wires at different lengths on either end of the connection to make a smaller junction. After twisting the wires together, he solders them and warms up heat shrink to make a watertight junction. Then they install the weatherproof lighting tape right into the track on the underside of the pergola beam.
How to Install Outdoor LED Lighting | This Old House