How to Plan Under-Cabinet LED Strip Lighting in a Kitchen

Good under-cabinet LED strip lighting turns the counter below your wall cabinets into a bright, even work surface without a glare bulb in your eyes. Plan it as task lighting: mount a continuous strip near the front underside of the cabinet, aim the light down at the counter rather than out at the room, and hide the strip in a channel so you see a clean line of light instead of the diodes. Do that and chopping, reading a recipe, and cleaning up all get easier.

That is the short version. The rest of this guide covers what strip to choose, where exactly to place it, why a channel and diffuser matter, and where the driver goes so the whole thing looks built in.

Why under-cabinet LED strip lighting works better than a single fixture

A counter lit by one puck or one bulb ends up with bright spots and shadows, and your own hands cast the worst of them. A continuous strip spreads light along the full run of cabinet, so the counter reads evenly from end to end. Because the strip sits under the cabinet, the source stays out of sight while the light does the work below.

For a kitchen, the detail that sells the look is a dot-free line. A COB (chip-on-board) strip carries its diodes in a continuous phosphor line rather than as spaced points, so through a diffuser it reads as one smooth band instead of a row of dots. Whether COB or another format is right depends on the light output you want, viewing distance, the depth of your channel, the diffuser, LED density, and your voltage and control options, so judge it per product rather than by a rule of thumb.

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Choose the brightness and color for a work surface

Under a cabinet you are lighting a task, but you rarely need a floodlit counter. A lower-output strip is often plenty, while a busier prep kitchen may want a step up. One suitable option for a gentle, low-output line is the LEDClub 24V COB 200 Series low brightness strip. If you want more punch on the counter, the LEDClub 24V COB 300 Series medium brightness strip gives a stronger working light. Check the lumens per foot, watts per foot, CRI, and color temperature on each product page (verify before you rely on them), and pick a warmer-to-neutral white that flatters your counter and cabinets.

A quick tip on color: a higher CRI renders food and finishes more truthfully, which matters more in a kitchen than almost anywhere else in the house. Confirm the CRI figure on the page rather than assuming.

Aim the strip at the counter, not at your eyes

Placement is where most under-cabinet jobs succeed or fail. Mount the strip toward the front edge of the cabinet's underside, not pushed to the back wall. Front placement throws light onto the working part of the counter and keeps the bright source tucked behind the cabinet's face frame or a small trim lip, so you are not staring into it. On some frameless cabinets a strip mounted flat sprays light toward the backsplash, so an angled channel or a position just behind the front lip tips the beam down where you want it.

Use a channel and diffuser for a clean line

An aluminum channel does three useful things here. It gives you a straight, tidy mounting surface, its diffuser lens softens the strip so a COB line reads as one even band, and the aluminum helps dissipate the heat the strip produces. LED strips do generate heat in use, and a channel can help manage it while protecting the tape and improving the look. A channel reduces but does not guarantee the removal of visible dots; dot appearance also depends on LED density, channel depth, and diffuser choice. Browse options in the LED channels and profiles collection. It is not mandatory, but under a kitchen cabinet it is usually worth it.

Plan the driver and wiring before you stick anything down

Every low-voltage strip needs a driver, and a 24V strip needs a 24V driver, matched exactly and never crossed with a 12V supply. Size the driver from the strip's watts per foot times your installed length, then add current headroom (LED Club currently suggests at least 20 percent, verify) before choosing a driver with enough capacity. If you run several cabinet sections, wire constant-voltage strips in parallel, not in series, within the driver's total capacity.

The driver usually lives inside an adjacent cabinet, in a nearby toe-kick void, or in a wall cavity where an outlet or hardwired feed is accessible. Keep the low-voltage run from driver to strip reasonably short to avoid dimming at the far end. Any hardwired driver connection, junction box, or wall dimmer at line voltage is work for a qualified electrician where local code requires it, so follow the product instructions and your local code and NEC where it applies.

Common mistakes to avoid

The frequent misses are all avoidable. Mounting the strip against the back wall instead of the front leaves the counter dim and the source glaring. Choosing a bright dotted strip without a diffuser gives a spotty reflection in a glossy counter. Undersizing the driver, or forgetting headroom, leaves the far end dim. And running the strip without checking the cut points means a section that will not land cleanly at the end of a cabinet.

Frequently asked questions

How do I plan under-cabinet LED strip lighting? Choose a strip bright enough for the counter, mount it toward the front underside so it aims down at the work surface, hide it in a channel with a diffuser, and place a voltage-matched driver in a nearby cabinet or cavity.

Should I use COB or another strip under cabinets? A COB strip gives a dot-free line through a diffuser, which looks tidy under a kitchen cabinet. The right choice depends on output, viewing distance, channel depth, diffuser, and density, so compare the specific products.

Where exactly should the strip sit under the cabinet? Toward the front edge of the underside, behind the face frame or a small trim lip, so the light falls on the counter and the source stays out of your eyes.

Do I need an aluminum channel? It is not mandatory, but a channel gives a clean mounting line, its diffuser evens out the light, and the aluminum helps dissipate the heat the strip produces. It usually improves the finished look.

What size driver do I need? Multiply the strip's watts per foot by your installed length, add current headroom of at least 20 percent (verify), and pick a voltage-matched driver with enough capacity. Wire multiple sections in parallel within that capacity.

If you want a hand matching a strip, channel, and driver to your cabinet layout, LED Club offers free project support, so you can send us your measurements. Explore more options in the kitchen lighting collection and the full LED strip lights collection. To light the base of the cabinets too, see our kitchen toe-kick lighting guide.