How to Install Under-Cabinet Lighting
Add task lighting under kitchen cabinets using plug-in or battery LED lights
What You'll Need
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Tools
Materials
Step-by-Step Instructions
Plan light placement
10 minutes
Position lights toward the front of the cabinet (about 1/3 from the front edge) for best task lighting. This prevents your body from casting shadows while working. Mark where each light will go.
Pro Tip
The front edge of the light should be hidden by the cabinet face frame to avoid glare.
Test layout before mounting
10 minutes
Lay out the lights in position (tape temporarily if needed). Plug in and turn on to see if coverage is adequate. Adjust spacing if needed before drilling any holes.
Mount the light fixtures
15-30 minutes
Using the included screws or adhesive, attach each light fixture under the cabinet. Most lights mount to a bracket first, then the light snaps into the bracket. Follow manufacturer instructions.
Pro Tip
For LED strips with adhesive backing, clean the surface with alcohol first for best adhesion.
Connect lights in series
10-15 minutes
If you have multiple light fixtures, connect them in series using the provided cables. Route the connection wire along the back of the cabinets where it won't be visible.
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Track This Project FreeRoute power cable
15-30 minutes
For plug-in systems: route the power cord to the nearest outlet. Use cable management clips to keep the cord tidy. Consider using a cord channel if the outlet is far away. For hardwired: connect to a wall switch (consult an electrician if unfamiliar).
Pro Tip
If the outlet is inside a cabinet, you can drill a small hole to route the cord through.
Install switch if needed
10 minutes
Many light kits come with a switch. Mount it in an accessible location - either on the cabinet face or wall. Some kits have touch-sensitive switches built into the light bar.
Test and adjust
5 minutes
Turn on the lights and check coverage. Ensure all connections are secure. Adjust light positions if needed before fully tightening mounts.
Common Mistakes to Avoid
- Mounting lights too far back (creates shadows)
- Visible cords and wires (poor cable management)
- Wrong color temperature for kitchen (too cool/blue or too warm/yellow)
- Not hiding the light fixture behind the cabinet face frame (causes glare)
Safety Warnings
- For plug-in systems, don't overload the outlet
- LED lights generate less heat but still should have ventilation
- For hardwired installations, turn off power at breaker before any work
When to Call a Professional
For hardwired installations connected to a wall switch, if you need to install a new outlet under the cabinet, or for complex multi-zone systems.
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Frequently Asked Questions
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Related Guides
Replace a Light Fixture
Swap out an existing light fixture for a new one (same wiring location)
Replace a Light Switch
Replace a standard single-pole light switch
Replace an Outlet or Switch Cover Plate
Update worn or damaged wall plates for outlets and switches
Install a Ceiling Fan
Replace an existing light fixture with a ceiling fan, or replace an old fan
Replace a Bathroom Faucet
Remove your old bathroom faucet and install a new one
Replace a Kitchen Faucet
Remove your old kitchen faucet and install a new one, including sprayer connection
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Project Overview
- Difficulty
- Beginner
- Time
- 30 minutes - 2 hours
- Est. Cost
- $30–$150
- Tools
- 5 items
- Materials
- 3 items
- Steps
- 7
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