DIY Network

How to Install Under-Counter Lighting

When LED lights are installed underneath an onyx countertop, this kitchen’s island becomes a unique, glowing focal point. Follow these steps to install your own under-counter lighting.

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counter lighting after Watch Video
  • Time

    Under Half Day

  • Price Range

    $50 - $100

  • Difficulty



Step 1: Cut and Install Tracks

Cut plastic tracks to size of inner cabinet using tin snips (Image 1). Install tracks on all insides of the cabinet (Image 2). This will hold the wire and lights that will go under the counter top.

Step 2: Add Wire to Track

Once the track is secured, feed wire through track. Leave enough at the end to wire the transformer.

counter lighting feed wire

Step 3: Insert LED Lights

After the wire is completely connected, insert LED lights by simply snapping in place.

counter lighting insert lights

Step 4: Feed Wires Through Transformer

When all the lights are in the desired spots, take the transformer and punch out the outlet for the wire feed (Image 1). Install a small metal wire clip. This will hold the wires in place inside the transformer (Image 2). Connect each wire using wire nuts; twist each wire together in a clockwise motion (Image 3).

Step 5: Attach Transformer to Cabinet

Mount the transformer onto the side of the cabinet so it does not obstruct the drawer.

counter lighting mount transformer

Step 6: Test Lighting

Plug transformer into outlet and flip the switch.

counter lighting turn on

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