How Do You Properly Install Under Cabinet Lights?

AvatarByJoseph Thomas Kitchens & Bathrooms

Installing under cabinet lights can transform your kitchen or workspace, adding both style and functionality to an often overlooked area. Whether you’re aiming to brighten up countertops for better task lighting or create a warm, inviting ambiance, under cabinet lighting offers a simple yet impactful upgrade. But how exactly do you put under cabinet lights in place to achieve the perfect balance of illumination and aesthetics?

Understanding the basics of under cabinet lighting involves more than just picking out the right fixtures. It requires a thoughtful approach to placement, power sources, and the type of lighting that best suits your needs. From sleek LED strips to puck lights, the options are varied, each bringing its own unique benefits and installation considerations. Knowing what to expect can help you make informed decisions and avoid common pitfalls.

Before diving into the step-by-step process, it’s helpful to get a broad overview of the tools, materials, and planning involved. Whether you’re a seasoned DIYer or a first-time installer, this guide will prepare you to confidently enhance your space with under cabinet lights that are both practical and visually appealing.

Choosing the Right Type of Under Cabinet Lights

Selecting the appropriate under cabinet lighting depends on the desired ambiance, functionality, and installation complexity. Several types of lights are commonly used, each offering distinct advantages and considerations.

LED Strip Lights are among the most popular choices due to their flexibility and energy efficiency. They are thin, can be cut to length, and emit minimal heat, making them ideal for tight spaces. These strips often come with adhesive backing for easy installation and can be dimmed or color-adjusted with compatible controllers.

Puck Lights provide focused, circular pools of light and are excellent for highlighting specific areas or creating accent lighting. They can be battery-operated, plug-in, or hardwired, offering versatility depending on the installation environment.

Fluorescent Lights offer bright, uniform illumination but tend to be bulkier and generate more heat. They are less common in modern installations but may be suitable for larger or commercial kitchens.

Xenon Lights produce a warm glow and excellent color rendering, ideal for showcasing countertop surfaces. However, they consume more energy and generate heat, requiring caution during installation.

Table of Common Under Cabinet Lighting Types

Light Type Advantages Considerations Typical Power Source
LED Strip Lights Energy-efficient, flexible, low heat, dimmable Requires a power supply and sometimes wiring Hardwired or plug-in
Puck Lights Focused lighting, easy installation options May have shadows between lights, battery life limits Battery, plug-in, or hardwired
Fluorescent Lights Bright, even light distribution Bulkier, generates heat, less energy efficient Hardwired
Xenon Lights Warm light, excellent color rendering Higher energy use, heat generation Hardwired

Preparing for Installation

Before beginning the installation process, it is critical to plan and prepare the workspace thoroughly. This ensures safety and helps avoid common pitfalls.

First, measure the length of the cabinet underside to determine the amount and type of lighting needed. Mark locations for each light fixture or strip, considering the spacing to achieve even illumination without dark spots.

Next, identify the power source. If a nearby outlet exists, plug-in lights can be convenient. For hardwired installations, you may need to run wiring through the wall or cabinetry, which might require professional electrical assistance.

Clear the area underneath the cabinets to prevent damage during installation. Gather all necessary tools and materials, including a drill, screwdriver, wire strippers, electrical tape, mounting clips or brackets, and a voltage tester.

If you are installing multiple light fixtures, consider installing a switch or dimmer to control the lights conveniently. In some cases, remote-controlled or smart lighting systems can be integrated for additional functionality.

Mounting the Lights

The mounting method varies depending on the type of under cabinet light selected. Adhesive-backed LED strips require a clean and dry surface for optimal adhesion. Wipe down the underside of the cabinet with rubbing alcohol to remove grease and dust.

For LED strips, peel off the adhesive backing and carefully press the strip in place, following the marked layout. Use mounting clips if additional support is necessary, especially near corners or edges.

Puck lights typically come with mounting hardware such as screws or adhesive pads. Position each puck according to your layout marks. When using screws, pre-drill holes to avoid splitting the wood.

Ensure that wires are routed neatly and securely fastened using cable clips or adhesive mounts to prevent sagging or accidental disconnection. Avoid sharp bends in wiring to maintain electrical integrity.

Wiring and Connecting the Lights

Proper wiring is essential for both safety and functionality. For plug-in systems, simply connect the light’s power cord to the outlet. Conceal cords along cabinet edges using wire channels or clips.

Hardwired systems require connecting the light fixtures to the household electrical circuit. Always turn off the power at the breaker panel before handling wiring.

Connect the positive (usually red or black) and negative (usually white or neutral) wires from the light fixtures to the corresponding wires in the electrical box. Use wire nuts to secure connections and wrap with electrical tape for added safety.

For systems with multiple lights connected in series or parallel, follow the manufacturer’s wiring diagram carefully. Incorrect wiring can cause flickering, failure, or electrical hazards.

If installing a dimmer switch, ensure it is compatible with the lighting type, particularly LED lights. Professional consultation or hiring an electrician is recommended for complex wiring.

Testing and Adjusting Your Under Cabinet Lights

Once the lights are mounted and wired, restore power and test the lighting system. Verify that all fixtures illuminate evenly without flickering or dimming unexpectedly.

Adjust the position of adjustable puck lights to optimize the direction and spread of light on the work surface. For LED strips, confirm that the adhesive is secure and that the strip lies flat.

If you installed a dimmer or smart control, test all settings to ensure smooth operation and responsiveness. Make any necessary adjustments to brightness levels or color temperature to suit your kitchen environment.

Finally, tidy up all wiring and secure any loose cables. Clean the light fixtures and surrounding surfaces to remove fingerprints or dust accumulated during installation.

Choosing the Right Under Cabinet Lights

Selecting appropriate under cabinet lighting is crucial for achieving both functional and aesthetic goals in your kitchen or workspace. Various types of lighting options are available, each with specific advantages depending on your needs.

  • LED Strip Lights: Flexible and energy-efficient, these are ideal for continuous, even illumination. They can be cut to fit specific lengths and come with adhesive backing for easy installation.
  • LED Puck Lights: Small, round fixtures that provide focused, accent lighting. They work well for highlighting particular areas or objects under the cabinet.
  • Fluorescent Lights: Offer bright, diffuse light but tend to be bulkier and less energy-efficient than LEDs. Suitable for larger kitchens requiring extensive lighting.
  • Rope Lights: Flexible tubes housing small bulbs, providing ambient lighting. Generally less bright and used for decorative purposes.
Lighting Type Brightness Energy Efficiency Installation Ease Cost
LED Strip Lights High Very High Easy Moderate
LED Puck Lights Medium to High High Moderate Moderate
Fluorescent Lights High Moderate Moderate Low to Moderate
Rope Lights Low Moderate Easy Low

Preparing for Installation

Proper preparation ensures a safe and successful installation of under cabinet lighting. Begin by gathering all necessary tools and materials:

  • Under cabinet light fixtures (LED strips, puck lights, etc.)
  • Power supply or transformer (if required)
  • Measuring tape
  • Drill and drill bits
  • Screwdriver
  • Wire strippers and electrical tape
  • Level
  • Adhesive backing or mounting brackets
  • Wire connectors or terminal blocks
  • Optional: switch or dimmer

Before starting the installation, turn off power at the circuit breaker to avoid electrical hazards. Identify the power source location, whether it is an existing outlet, junction box, or a direct wiring point inside the cabinet.

Measure the length of the cabinet underside to determine how much lighting you will need. Mark the desired placement spots for fixtures, ensuring uniform spacing and avoiding obstruction by cabinet doors or appliances.

Mounting Under Cabinet Lights

The mounting process varies slightly depending on the type of lighting selected. The following steps provide a general guideline applicable to most under cabinet lighting systems.

  1. Clean the surface: Wipe the underside of the cabinet with a clean cloth to remove dust and grease, ensuring good adhesion.
  2. Mark mounting points: Use a pencil and level to mark exact positions for screws or adhesive strips.
  3. Install mounting hardware: For lights requiring screws, drill pilot holes and attach mounting brackets or clips securely. For adhesive-backed strips, peel off the protective layer carefully.
  4. Attach lights: Press the LED strip or puck lights firmly onto the mounting surface, or snap them into brackets.
  5. Secure wiring: Route wires neatly along the cabinet interior using cable clips or wire channels to prevent sagging and exposure.

When installing puck lights, allow sufficient spacing to avoid uneven lighting. For LED strips, ensure the power connectors are accessible for later wiring.

Wiring and Connecting the Lights

Correct wiring is essential to power the under cabinet lights safely and efficiently. Follow these expert guidelines:

  • Check voltage requirements: Verify that the power supply matches the voltage rating of the lighting system (usually 12V or 24V for LED lights).
  • Connect to power source: If wiring directly to the household electrical system, run cables from the cabinet lights to the junction box or outlet. Use wire nuts to connect matching wires: black (hot), white (neutral), and green or bare (ground).
  • Use transformers if needed: Many LED systems require a transformer to step down from 120V household current to low voltage.
  • Incorporate switches or dimmers: Install inline switches or dimmers to control light intensity and operation conveniently. Ensure compatibility with LED drivers.
  • Test connections: Before finalizing installation, restore power and test the lights for proper operation. Address any flickering or non-functioning fixtures immediately.

Safety Considerations and Best Practices

Adhering to safety standards protects both your property and personal well-being during and after installation.

  • Always switch off power at the breaker before handling electrical

    Professional Insights on How To Put Under Cabinet Lights

    Michael Trent (Certified Electrician and Home Lighting Specialist). Installing under cabinet lights requires careful planning of the wiring layout to ensure safety and functionality. It is essential to turn off the power at the breaker before beginning, use low-voltage LED strips or puck lights for energy efficiency, and secure all connections with wire nuts or connectors rated for the load. Additionally, positioning the lights evenly under the cabinets enhances both aesthetics and task lighting.

    Laura Chen (Interior Designer and Lighting Consultant, BrightSpace Studios). When putting under cabinet lights, consider the color temperature and brightness to complement the kitchen’s overall design. Warm white LEDs around 2700K to 3000K create a cozy atmosphere, while cooler whites suit modern kitchens. Using dimmable fixtures provides flexibility for different times of day and activities. Concealing the fixtures behind the cabinet lip or using slim profiles maintains a clean, seamless look.

    David Morales (Home Improvement Author and DIY Expert). For DIY enthusiasts, installing under cabinet lighting is manageable with the right tools and preparation. Measuring the cabinet length accurately, choosing between plug-in or hardwired options, and using mounting clips or adhesive strips simplify the process. Testing the lights before final installation prevents troubleshooting later. Always follow manufacturer instructions and local electrical codes to ensure a safe and professional finish.

    Frequently Asked Questions (FAQs)

    What tools are needed to install under cabinet lights?
    Essential tools include a drill, screwdriver, wire stripper, voltage tester, measuring tape, and a pencil for marking. Depending on the light type, additional tools like a stud finder or adhesive may be required.

    Can under cabinet lights be installed without hardwiring?
    Yes, many under cabinet lights are available with plug-in options or battery-powered models, allowing installation without electrical wiring.

    How do I choose the right type of under cabinet lighting?
    Consider factors such as brightness (lumens), color temperature, energy efficiency, and installation method. LED lights are preferred for their longevity and low heat output.

    What is the best way to hide wiring for under cabinet lights?
    Use cable clips, adhesive channels, or route wires behind the cabinets to maintain a clean and professional appearance.

    How do I ensure the under cabinet lights are evenly spaced?
    Measure the cabinet length and divide by the number of fixtures to determine spacing. Mark positions before installation to achieve uniform light distribution.

    Are under cabinet lights safe to install near sinks or moisture-prone areas?
    Yes, but it is important to select fixtures rated for damp locations and ensure proper sealing and installation to prevent electrical hazards.
    Installing under cabinet lights is an effective way to enhance both the functionality and aesthetics of your kitchen or workspace. The process involves selecting the appropriate type of lighting, such as LED strips, puck lights, or fluorescent fixtures, based on your specific needs and preferences. Proper planning, including measuring the space and determining power sources, is essential to ensure a seamless installation that provides adequate illumination without visible wiring.

    Careful preparation and adherence to safety guidelines are crucial during installation. This includes turning off power sources, using the correct mounting hardware, and securely connecting electrical components. Additionally, considering features like dimmability and color temperature can significantly improve the ambiance and usability of the lighting. Proper placement and spacing of the lights will help avoid shadows and create an even distribution of light across the countertop.

    Ultimately, under cabinet lighting not only improves visibility for cooking and other tasks but also adds a modern, polished look to your space. By following best practices and choosing the right products, you can achieve a professional-quality installation that enhances both the practicality and style of your cabinets. Investing time and effort into the installation process will yield long-lasting benefits and elevate the overall environment of your room.

    Author Profile

    Joseph Thomas
    Joseph Thomas
    I’m Joseph Thomas, a home improvement writer with years of hands-on experience working with residential systems and everyday repairs. Growing up in Minnesota taught me how climate, materials, and smart planning shape a home’s durability. Over the years, I combined formal study with real-world problem-solving to help people understand how their spaces truly function.

    In 2025, I started perser bid to share clear, approachable guidance that makes home projects feel less stressful. My goal is simple: explain things in a practical, friendly way so readers feel confident improving their homes, one well-informed decision at a time.