How to install under-cabinet lighting

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Introduction

Looking to brighten up your kitchen prep space or add some modern flair to your counters? Installing under-cabinet lighting is one of the easiest and most effective ways to improve both the function and appearance of your kitchen. Whether you want better visibility for chopping and cooking, or a cozy glow to highlight your backsplash, this guide will show you how to install under-cabinet lighting step by step—without hiring a professional.

Why Under-Cabinet Lighting Matters in the Kitchen

Good lighting can transform your kitchen experience. Under-cabinet lighting not only enhances the look of your kitchen but also provides essential task lighting where you need it most.

Here’s why it matters:

  • Improves visibility for food prep, chopping, and reading recipes
  • Reduces eye strain during early mornings or late evenings
  • Adds ambiance with warm, soft illumination
  • Highlights your backsplash and countertops for visual appeal
  • Increases home value by giving your kitchen a modern, finished feel

Whether you’re cooking or cleaning, having bright, well-placed lighting under your cabinets makes everything easier.

Step-by-Step Guide to Installing Under-Cabinet Lighting

Let’s walk through the process of selecting and installing the perfect under-cabinet lighting system for your kitchen.

1. Choose the Right Type of Under-Cabinet Lights

There are several lighting options to choose from, each with pros and cons:

LED Strip Lights

  • Flexible, adhesive-backed strips
  • Great for continuous lighting under long cabinet runs
  • Energy efficient and cool to the touch

Puck Lights

  • Small, circular lights that provide spot lighting
  • Easy to install in targeted areas
  • Ideal for lighting specific prep zones

LED Light Bars

  • Rigid bars that produce even, bright light
  • Sleek and modern look
  • Available in plug-in or hardwired styles

Kitchen Tip: For DIY installs, choose plug-in or battery-operated LED strip or bar lights—they’re the easiest to work with and require no electrical skills.

2. Measure and Plan Your Layout

Before buying anything, measure the length of each cabinet where you want to add lights.

  • Measure underneath each cabinet (front to back and side to side)
  • Decide how many lights you need based on cabinet width
  • Plan for power sources (outlets, extension cords, or battery packs)

Pro Tip: Sketch a quick diagram to map out where each light will go and how cables will run.

3. Gather Your Tools and Materials

Here’s what you’ll need for most basic installations:

  • Under-cabinet light kit (LED strip, bar, or puck lights)
  • Tape measure
  • Pencil or masking tape (for marking positions)
  • Adhesive strips or mounting hardware (included in most kits)
  • Extension cord or power strip (if using multiple plug-in lights)
  • Screwdriver or drill (for mounted lights)
  • Optional: cable clips or cord covers for a cleaner look

Reminder: Make sure your kit is labeled as dimmable if you want to add a dimmer switch later.

4. Clean the Installation Surface

Wipe the underside of your cabinets with a mild cleaner to remove grease, dust, or debris. Lights need a smooth, clean surface to adhere properly.

  • Let surfaces dry completely before applying adhesive
  • For wood cabinets, test a small spot with your adhesive to ensure it doesn’t damage the finish

Kitchen Tip: If your cabinets have a lip or molding, be sure to place the lights close enough to the edge to shine down effectively.

5. Install the Lights

Installation methods will vary slightly depending on your light type.

For LED Strip Lights:

  1. Cut to length if needed (along the marked cut lines)
  2. Peel backing and press the adhesive side firmly to the cabinet bottom
  3. Connect to the controller or power adapter
  4. Secure any visible cables using clips or adhesive mounts

For Puck or Bar Lights:

  1. Mark light positions using pencil or masking tape
  2. Use included screws or adhesive pads to attach lights
  3. Plug in or connect to power supply
  4. Secure cords along the cabinet edges for a tidy finish

Reminder: Always test the lights before final mounting to ensure everything works as expected.

6. Manage the Cables

Use cable clips or cord covers to route the wires neatly along the back or underside of your cabinets.

  • Keep cords out of sight
  • Avoid running cables across heat sources or sharp edges
  • Bundle excess wire and secure with twist ties or cable ties

Pro Tip: Use a cord cover kit that matches your cabinet color for an invisible look.

7. Plug In and Test the Lights

Once everything is mounted and connected:

  • Plug the lights into a nearby outlet
  • Use the switch or remote (if included) to turn them on
  • Check for even lighting and adjust the position if needed

Optional: Add a timer, dimmer, or motion sensor for added convenience and energy efficiency.

Common Mistakes to Avoid

Avoid these pitfalls to ensure a smooth, long-lasting installation:

Mistake 1: Installing Lights Too Far Back

Solution: Position lights toward the front of the cabinet for the best downward coverage and to avoid dark shadows.

Mistake 2: Using the Wrong Light Temperature

Solution: Choose a color temperature that suits your kitchen—2700K for warm light, 4000K for natural light, or 5000K for bright white.

Mistake 3: Overlooking Cable Management

Solution: Secure and hide wires to avoid clutter and tripping hazards. Use cable clips and cord covers.

Mistake 4: Buying Non-Dimmable Lights

Solution: Check the product specs if you want adjustable brightness. Many budget lights are non-dimmable.

Mistake 5: Not Testing Before Mounting

Solution: Always test the lights and layout before final installation. It saves time and prevents rework.

Extra Tips & Kitchen Hacks

Maximize your under-cabinet lighting with these helpful tricks:

Tip 1: Use Motion Sensors

Install motion-activated lights for automatic illumination when you enter the kitchen at night.

Tip 2: Add a Remote-Control Feature

Many LED light kits include a remote. Mount the remote nearby or magnetize it to your fridge for quick access.

Tip 3: Light Multiple Zones

Use separate light strips or bars in different kitchen zones—like prep areas, coffee stations, and dishwashing areas—for task-specific lighting.

Next Task: After lighting up your counters, consider upgrading your backsplash to create a stunning nighttime glow-up.

Conclusion

Installing under-cabinet lighting is an easy, affordable way to improve your kitchen’s functionality and design. By choosing the right type of light, planning your layout, and taking time with the installation, you can enjoy better visibility and a modern touch with minimal effort. Whether you’re prepping meals or just grabbing a midnight snack, under-cabinet lighting makes your kitchen safer, brighter, and more stylish.

Bookmark this guide to make your kitchen lighting project smooth and successful from start to finish!