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How to Install Undercabinet LED Lighting, Continued

Learn how to install safe, dimmable LED lights underneath cabinets in a kitchen or workshop.  Step-by-step video instructions of the entire process.
Print these instructions Tools you will need
Puch out the knockout in the transformer Connect the wires together Boring quarter-inch holes into the base of the cabinet
Remove the knockout from the transformer case and install a connector designed for armored cable. Slip the wires into place and tighten the set screw. Set the transformer in position inside the cabinet and make the next batch of electrical connections inside the transformer: green to green, white to white, and black to black. Again, twist wire nuts over these connections and push them inside the box. To run the low voltage wires to the first row of lights, drill quarter-inch holes through the cabinet shelves to feed the wire from the transformer to the underside of the cabinet, where the lights will go.
     
Plastic cable holders in underside of cabinet Metal brackets hold the lights in place LED lights snap into the brackets
These small plastic cable holders offer a simple and effective way to secure the wires while avoiding the risk of damage. The light fixtures themselves will be held in place with metal brackets that screw into the underside of the cabinets. Once everything's in place, the lights just snap into the brackets.
     
Pigtails connecting LED lights Drilling up through the cabinets Drilling up through the top of the cabinets
This is a modular lighting system. Low voltage wires plug into the end of each fixture. Short pigtails quickly connect one unit to the next. To connect the cabinets on one side of the kitchen window to those on the other side, the low-voltage wires will run from the last light on the side farthest from the transformer, back up into the cabinets. Holes are drilled through each shelf and up through the top of the cabinets, where the wires will be fed through and across the windowframe.
     
Wires running across the windowframe Installing a raceway above the windowframe
The wires are then pulled tight across the windowframe and fed through holes drilled in a back corner of the cabinets closest to the window, all the way down through to the base of the cabinets. Now, simply put up more brackets, snap in the light fixtures, and plug in the low-voltage wires.

A plastic raceway conceals the wire running across the molding above the kitchen window. Clean the top of the molding and a pressure-sensitive adhesive on the bottom of the raceway will hold it in place. The wire is then pushed through a slot in the side.

     
Connect low voltage wiring to the low voltage output from the transformer Low voltage lights are dimmable LED Lights turned on
The low voltage wires carrying power to the light fixtures need to be connected to the low voltage output from the transformer. It's this reduction in current from a potentially dangerous 120 volts to only 12 that makes this system so safe and easy to work with. These lights are dimmable and extremely long lasting. In fact, if left burning for 10 hours a day, 365 days a year, they would last for more than 15 years before they needed to be replaced! The result provides light where it's needed, and can be dimmed or switched off anytime. Find out more about these lights from Albeo Technologies.
     
   

Other Kitchen Home Improvement Projects You Can Do Yourself
How to install a portrait fireplace  
How to install a chandelier  
How to install fluorescent kitchen lighting  
How to remove and install a wall oven  
 

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