Lighting kitchen worktops without shadows

A ceiling light ends up behind the person working and casts shadows on the worktop. How to set up shadow-free light and what to watch for.

If you see a shadow under the knife while chopping, that says less about a weak bulb than about a bulb in the wrong place. In most kitchens the only light is a fitting in the middle of the ceiling. But people stand at worktops that run along the walls, facing the wall with their backs to the room. The light comes from behind, and the body and head cast a shadow exactly where the work is happening. However powerful the bulb, the shadow does not go away; it just gets sharper.

The cause of the shadow: the direction of light

For shadow-free light, the source needs to sit between the person and the worktop, or above them both, as close to the surface as possible. In a kitchen that usually means lighting fitted under the wall cabinets. That light falls straight onto the counter, while the shadow of your head stays behind you on the floor.

If there are no wall cabinets, there are alternatives: directional fittings mounted on the wall above the worktop, or ceiling spotlights in a line parallel to the counter and close to the wall. Shadows are minimised when the spotlights sit roughly above the front edge of the worktop rather than in the middle of the ceiling.

Types of under-cabinet lighting

There are a few common solutions for lighting under cabinets:

• LED strip in a profile. Fitted in an aluminium channel with a frosted diffuser, it gives a long, even band of light across the worktop. The profile spreads heat and prevents a dotted glare.
• Slim linear fittings. Ready-made housings, sometimes with their own switch, and simpler to install than strip.
• Small round spotlights. Spaced evenly along the underside of the cabinet. If the spacing is too wide, bright and dull circles alternate on the counter.

Whichever you choose, the light source should be mounted near the front edge of the cabinet. A strip placed against the wall mainly lights the tiles, leaving the front of the worktop in shadow. A low lip or profile at the front stops the light shining straight into your eyes.

Colour temperature and colour rendering

Kitchen light is not only for seeing; it helps you judge food: the colour of meat, the freshness of fruit and vegetables, how well something is cooked. Neutral white is therefore often the most comfortable choice for worktops. Very warm light can make food look yellowish, and very cool light can make it look grey.

If the packaging states a colour rendering index (CRI or Ra), check it too. The higher the figure, the closer colours look to natural light. Worktop lighting should match the colour temperature of the kitchen's main light; otherwise different tints show up as patches on the opposite cabinets and ceiling.

Safety and kitchen conditions

Electrically, a kitchen is a demanding space: moisture, steam, grease particles and running water all in one place.

• Near the sink and cooking area, choose fittings with an ingress protection rating that resists splashes.
• If a low-voltage LED strip system is used, put its power supply in a ventilated, accessible spot inside a cabinet; you will need to reach it for maintenance.
• Route cables away from the hot parts of the hob and oven.
• The cooker hood has its own light, but it only covers the hob; the rest of the worktop needs separate lighting.

Electrical connections, especially mains-voltage wiring, should be made by a qualified electrician. Protecting joints from grease and moisture is essential for long-term reliability in a kitchen.

Switching and control

Worktop light should be controlled separately from the main light. You do not need the whole kitchen lit to make tea in the evening; one strip of light is enough. The switch should be close to the counter, somewhere you can touch safely even with damp hands. Some profiles have touch or hand-wave switches; they are convenient, but with frequent use by greasy hands they need more regular cleaning.

Planning checklist

• Every part of the worktop, for chopping, washing and cooking, is under light.
• The light source is near the front edge of the cabinet and does not shine into the eyes.
• Colour temperature matches the main light, and food looks natural.
• Fittings near moisture and steam have a suitable protection rating.
• Power supplies and joints are accessible and ventilated.
• Worktop lighting has its own switch.

Beyond the worktop, the kitchen's ceiling lighting can use Zəfər İşığı E27 LED bulbs or spot lamps. Worktop lighting is usually planned separately as an under-cabinet profile or linear fitting.