I started with a large LED strip, custom cut it to the size, ran the power, installed a switch, and neatly hid wires. This project can easily be adapter to anywhere you need some lighting under something. (eg. kitchen cabinets, work spaces, shelving, display cases, etc.) It is also a good guide on how to install lighting strips in general and can be used as a base for other low voltage lighting projects.
Step 1: Materials
Here is everything I used to complete this project:
Step 2: Tools
Step 3: Plan
Each strip will be 5 feet long and centered. The total power consumption will be 2 amps at 12 volts DC.
Step 4: Initial Wiring
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Step 5: Place LED Strip
Place led strip on by removing protective film and pressing firmly on the space between the LED's.
Be slow and be careful a ruler may help with aliment.
Hot glue may be needed in some spots (ie. the ends of the strip) but the adhesive backing is actually really strong.
Step 6: Drill
Drill holes in the shelves and box. (for wires)
Attach the box with wood screws. (countersink pre-existing holes in box with large bit so that the screw will lie flush)
Drill out a hole for the switch.
Step 7: Run Wires
Run the wires through the holes.
Finalize their placement with wire staples.
Step 8: Connect wires
Connect the wires together as in diagram.
Twist wires in a spiral and then use wire twists.
Insure no contacts are exposed by covering with electrical tape.
Install the box cover.
Step 9: Touch up
I had to touch up the area around the switch with a little wood putty and some paint.