Guide Eclairage

Task lighting: lighting every daily task properly

This article is also available in French: Zoom sur l'Éclairage de Tâche: Lumière et Fonction

12/03/2024 · 10 min read · By the Designix team
Task lighting: lighting every daily task properly

Aim for three sources, not one. A wide ceiling wash for ambience, a focused source 50-60 cm above the surface, on the opposite side from your writing hand, and a third to erase body shadow. Task lighting is judged in lux on the zone, never in lumens for the whole room.

What is task lighting, and how does it differ from ambience?

Task lighting illuminates a precise surface for a precise activity: reading, writing, cooking, working on screen. It sits near the zone concerned, can be aimed, and adds to the ambience that fills the room. Three layers coexist in a well-lit interior, and none replaces the others.

Which light for which task: the four families compared

LED strip or battens Adjustable wall light Desk lamp Reading floor lamp
Lit zone The worktop and your hands The book or the work The screen and documents Your lap and the book
Mounting height Under the wall unit, directly above the worktop 50 to 60 cm above the lit surface Around 40 cm above the surface Shoulder height, once seated
Socket in our survey GU10, 11 % of the 225 listings that state a socket E27, 30 % of the same survey E27 or integrated LED E27, 30 % of the same survey
What tires the eye Reflection on a glossy worktop The shadow of your writing hand Screen glare The source in your field of view
Dimming Useful in the evening Essential in the evening Comfort, not vital Essential in the evening
Where to plug it in Wiring under the wall unit DCL box or wall socket Socket on the desk Floor socket

Ambient lighting, accent lighting, task lighting: the difference in one sentence

Ambience sets the general level and sits high. Accent highlights a material or an object. Task serves a gesture and sits a few tens of centimetres from it.

  • Ambience: high, diffuse source, 2 700 K, never aimed at the eyes.
  • Accent: tight beam, close to the wall, to graze the material.
  • Task: adjustable source, at worktop height.
  • Combining: three sources beat one source three times as powerful.

In our selection of light fittings, each listing states the mounting: pendant, wall, table or surface-mounted. That single detail tells you whether the model can hang low without getting in the way.

Why ceiling light is never enough for a precise task

A ceiling light illuminates the floor and walls, not the page. Your body comes between the source and the surface, and it is your shadow that lights the work. A well-diffused LED ceiling light holds the ambience without solving this: its flux arrives from too high.

The further away the source, the wider and softer the cast shadow, and the more the eye compensates. That is why pleasant ambient lighting in the evening is still not enough for writing.

Drawing attention to an object does not solve the problem either. Highlighting a wall creates relief, it does not light a page.

How much light do you really need on a work zone?

Aim for 300 to 500 lux on the zone itself: the book, the chopping board, the keyboard. Measure where the gesture happens, not in the middle of the room. Below that, the eye strains; above it, the paper glares and tires you just as much.

The 7-point check before you sign off your task lighting

  • The source is placed on the side of your writing hand, never in front of it.
  • No cast shadow falls on the work zone.
  • The light is crisp on the surface, softer behind.
  • The socket matches the one already used in the room (E27, E14, GU10).
  • The protection rating rises to IP44 if the zone is damp.
  • A dimmer lets you lower the intensity in the evening.
  • A second source stays on at the back of the room to avoid harsh contrast.

Judge a task in lux on the zone, not in lumens for the room

A lumen is a quantity emitted, a lux a quantity received. A 2 000-lumen ceiling light that sends most of its flux to the floor leaves only a fraction on the surface. Distance and orientation decide the rest.

  • Precise work: 300 to 500 lux on the gesture.
  • Circulation: 100 to 150 lux to walk without bumping into things.
  • Rest: 50 to 100 lux at the back of the room.

Hence the value of a close source. At 50 cm from the surface, a modest lamp does better than a powerful ceiling light installed at 2.40 m. The full reasoning comes from combining the layers: estimating the amount of lighting a room needs before choosing the work source.

What 250 listings in our catalogue say about sockets

Across a survey of 250 references in our catalogue as of 30 September 2026, the socket is stated on 225 listings. E27 accounts for 30 % of the survey: in most cases, changing the bulb needs no tools. The IP20 rating is stated on 94 % of the 250 listings, and the 2-year warranty on 94 % as well.

Dimming, on the other hand, appears on only 98 listings, with "Yes" in 24 % of cases and "No" in 16 %. In other words, the dimmable lamp you picture is not necessarily dimmable. The catalogue holds 25 950 references on that same date: nobody knows its contents by heart, so the product listing settles it better than a memory of a shop. To check who you are dealing with, the company's Google listing shows its current rating and reviews.

How do you light a kitchen worktop without leaving shadows?

Light the surface, not the room. A strip fixed under the wall unit puts the light about fifty centimetres from the worktop, in front of your hands, and removes the shadow cast by the ceiling. Two rules are enough: the front edge of the unit, and sealing.

Strip under a wall unit: the right distance

Fix the strip near the front edge, not at the back against the wall. Set too far back, it grazes the surface and lights only the splashback: you see the wall, not the onions.

Solution What it lights What to watch
Strip under a wall unit The surface, straight ahead of your hands Front edge of the unit, IP44 near the sink
Pendant above an island The surface and the floor around Hang it at eye height, no lower
Splashback wall light The zone between surface and wall Aim at the surface, never at the eyes

Colour temperature is chosen at the same time: 3 000 to 4 000 K for chopping, warmer for sitting down to eat. Our guide to kitchen lighting details this split between layers.

IP44 near the sink: what it changes

The protection rating describes resistance to water and dust. IP44 handles the splashes a worktop produces every day; IP20 does not. In our survey of 250 references as of 30 September 2026, IP20 is stated on 94 % of listings and IP44 on 2 %. A sealed strip therefore has to be sought out, not picked at random.

Choosing between warm white and cool white is decided at that point too: white or yellow light, how to decide depending on the room and the time of day. Above an island, a kitchen pendant hangs at eye height and carries the general level.

If your worktop ends in a corner, if a beam crosses the ceiling or if the wall is stone, no standard height settles it. In that case, describe your work area to us: we reply with the reference that fits it, not with a catalogue.

What light for reading, writing or working on screen?

Place the source to the side, at page or shoulder height, never behind you. Light coming from behind casts the shadow of your head on the book. On screen, it adds glare on the panel, and the eye does the rest of the tiring.

Place the light to the side, never behind you

For a right-hander, the source goes on the left, and vice versa. An opaque shade on the face side and open on the page side does this job without glare.

  • Height: bottom of the shade at page level, not above the eyes.
  • Side: opposite your writing hand.
  • Screen: never facing the panel, never in your line of sight.
  • Orientation: adjustable, the position changes with the task.

An articulated desk lamp handles this better than a fixed model. For reading in an armchair, the arm is what counts: a floor lamp with an adjustable reading head lights the book and leaves the room in half-light.

Dimmer: what our survey states

A dimmer changes everything at a work station: bright for reading, soft for finishing a film. It is also the least documented feature in our listings. In the survey of 250 references as of 30 September 2026, dimming is stated on only 98 listings, "Yes" in 24 % of cases and "No" in 16 %. A reading lamp is therefore chosen on the listing, not on visual impression.

Where do you need light to do something precise?

Can you light a task without drilling or running cable?

Yes, provided you accept recharging or staying near a socket. A wall light plugged into an existing socket, a rechargeable table lamp, a battery model: three solutions set up a work station without touching the wall.

Wall lights and rechargeable lamps

An adjustable wall light fits in a few minutes if a socket is already there. It clears the surface and lights without taking up a single centimetre.

  • Adjustable wall light: the arm pivots, the light follows the page.
  • Rechargeable: no chasing, but a recharge to plan for.
  • Existing socket: visible cable to tidy or discreet trunking.
  • No drilling: table models spare the painted wall.

The choice of an adjustable wall light ranges from the discreet model to the sculptural format. For a more striking interior, wall lights with a strong design hold their place on the wall while serving reading.

The case of rooms without a ceiling light

A room with no ceiling point is composed differently: a high indirect source for ambience, a low source for the task. Our survey of 30 September 2026 shows wall mounting on 32 % of the 250 listings and pendant on 46 %: wall solutions exist. The full reasoning is in our guide to lighting a room without a ceiling light.

Task lighting: the questions that keep coming up

What is task lighting, in one sentence?
It is the source that lights the precise spot where your hands work, on top of the room's general light. It is judged on the zone it covers, not on the whole room.
How much light do you need on a work zone?
Clearly more than the room's ambience: the work zone must stay crisp even when the ceiling light is dimmed. This need is measured in lux on the zone, not in lumens at the ceiling, and a powerful ceiling light can leave a worktop in shadow.
What colour temperature for reading or working?
A warm light suits relaxed reading late in the evening. For meticulous work where colours must be distinguished, a more neutral light renders shades more faithfully. The simplest approach is to choose a bulb whose temperature is clearly stated on the listing.
Can you install task lighting without drilling the wall?
Yes: a reading floor lamp, a table lamp or a rechargeable model lights a task with no wall fixing at all. You only lose the option of clearing the worktop.
Do you need task lighting in every room?
No. You install it where an activity requires seeing a detail: cooking, reading, writing, sewing, DIY. In circulation areas, general lighting is enough.

Our selection criteria

  • warranty 2 years on 94 % of the selection
  • certification CE on 100 % of the selection
  • material Metal on 88 % of the selection
  • technology LED on 78 % of the selection
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The Designix team

Design lighting specialists. Over 5,000 homes fitted with our advice, and a showroom in Lyon to help you choose.

A question before you buy? Our team is here to help: +33 6 62 65 17 72 · support@designix.fr

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