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Easy Installation Tips for DIY Under Cabinet Lighting

Jun 27, 2024 · 2 min read

The notes

The darkest spot in many kitchens is the one where the most work happens: the strip of worktop beneath the wall cupboards. The ceiling light sits behind the cook, so every chopping board ends up in shadow. Lighting fitted under the cabinets fixes that in one move, and in most homes it is a project a careful DIYer can finish in an afternoon.

Step 1: Pick the light format

Three styles dominate, and each has its own character.

Type	Look	Good for
LED tape or strip	A continuous, even wash	Long runs and glossy worktops where hotspots would show
Puck lights	Pools of light	Accent lighting and short sections
Linear bars	Slim fixtures with a diffuser	Task lighting with a tidy, finished look

Colour temperature changes the mood. Warmer white feels cosy and suits wooden or cream kitchens, while cooler white looks crisp and helps with detailed prep. A range of under cabinet lighting designed for homes makes it easy to compare these styles, lengths and colour options side by side before committing to a layout.

Step 2: Plan the power

Decide early how the lights will be powered, because it shapes the whole job.

Plug-in kits use a nearby socket and an inline or remote switch; they are the simplest DIY route.
Battery or rechargeable units suit rentals and spots with no socket, though they need recharging.
Hardwired systems connect to the home's circuit and can be controlled from a wall switch.

Hardwiring involves mains electricity, so unless you are competent and permitted to do that work where you live, leave that part to a qualified electrician. Always switch off power at the consumer unit before touching any existing wiring.

Step 3: Measure and dry-fit

Measure each cabinet base and note where the doors, handles and end panels sit. Mark positions with a pencil, keeping fixtures toward the front edge of the cupboard so light falls on the worktop rather than the wall. Lay everything out loosely and connect it before fixing anything; it is much easier to spot a missing connector or a short lead at this stage.

A basic kit of tools covers most installations: tape measure, pencil, drill with small bits, screwdriver, cable clips and, for tape lights, scissors cut only at the marked points.

Step 4: Mount and tidy

Clean the underside of the cabinets with a degreaser so adhesive backing grips properly; kitchen surfaces collect a thin film of grease. Screw-fixed clips give the most secure hold for bars and pucks. Route cables along the back of the cabinet or through small drilled holes, and secure them with clips so nothing dangles near the hob or sink.

Step 5: Test and fine-tune

Restore power and check each section. Look at the worktop from where you usually stand: are there dark gaps between fixtures, or glare reflecting off a polished surface? A diffuser or a slight change of position often solves both. If the kit includes dimming, try a few levels for cooking, cleaning and evenings. Once everything works, the kitchen feels larger, safer to work in and far more inviting after dark.

Every guide

What you can expect on each how-to page

The layout is deliberately predictable.

Preparation and safety notes come before the first numbered step.
Steps are numbered in the order you will carry them out.
At least one table compares options, causes or methods.
A section says when the job belongs with a professional.
A closing checklist sums up the whole task in a few lines.
No prices, ratings or figures we have not checked ourselves.