How to Install Under Cabinet Lighting
How to install plug-in and battery under cabinet lights, plus when to call an electrician for hardwired fixtures.
By Ethan Cole
Updated November 4, 2026
Installing under cabinet lights is easy if you choose a type that matches your wiring. This guide covers plug-in and battery lights, and when to call a professional. For product lists see best under cabinet lighting.
Electrical safety: hardwired lights connect to a household circuit. Turn the breaker off, follow local code, and use a licensed electrician if you are not experienced. This guide does not give wiring instructions.
The Short Version
Pick the type first: plug-in kits for steady light, rechargeable or battery bars where there is no outlet, hardwired fixtures if you want no visible cord. Place lights near the front of the cabinet so the light falls on the counter, not the back wall.
Plan the Layout
- Measure the cabinet width and choose bars to cover it with few gaps
- Decide where the cord, power supply, and switch will go
- Plan linked runs: some bars link with a short cable, others each need a plug
- Check the underside of the cabinet: a flat, clean, dry surface holds adhesive best
Steps for Plug-In and Battery Lights
- Clean the surface.
- Hold the light in place and mark the screw holes or adhesive position.
- Mount with the screws, clips, or adhesive supplied. Several kits include both.
- Link the bars and plug in, or insert batteries or charge.
- Run the cord to the outlet and secure it with clips (see our guide to hiding wires).
Hardwired Lights
Hardwired fixtures connect to household wiring. This is electrical work, and local codes apply. Use a licensed electrician if you are not experienced.
Common Mistakes
- Mounting at the back of the cabinet, which lights the wall instead of the counter
- Mixing different types of dimmer; some kits warn that their dimmer is not compatible with wall dimmers
- Leaving cords loose where they can snag
Who Should Look Elsewhere
- Want no cords at all? See rechargeable under cabinet lights.
- Want hardwired? Hire an electrician and read hardwired vs plug in.
Frequently Asked Questions
Do I need an electrician for under cabinet lights?
Not for plug-in or battery lights. For hardwired ones, hire a licensed electrician if you are unsure.
Where should I put the light?
Near the front edge, so it lights the counter.
Can I mix plug-in and battery lights?
Yes; use plug-in over counters and battery bars in pantries.
Related: hardwired vs plug in, how to hide wires, and plug in under cabinet lighting. See all under-cabinet lights.
Check current pricing and availability for the Litever 6-Bar Plug-In Under Cabinet Kit.
About the author
Ethan Cole leads research and editing at WikiHomeLED, comparing LED lighting for the home through manufacturer specs, manuals, safety listings and owner feedback. Every product is scored against the criteria on our How We Review page, and picks are updated when models change.