R7S table lamps
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First check the socket spacing on your lamp: 78 mm or 118 mm, and that measurement decides which R7S bulb to buy, not the other way round. Once the length is known, the rest comes down to technology, head orientation and where the fixture actually sits in the room.
What is an R7S bulb and why does this base change the choice of your table lamp?
An R7S bulb is a linear double-ended bulb: two metal caps at the ends of a glass tube, clipped into two sockets facing each other. It comes in halogen and LED, in two common lengths, 78 mm and 118 mm, which must match the socket spacing of the lamp.
So you don't choose the bulb before the lamp: you measure the socket gap on the fixture, then buy the tube that fits it. A few millimetres out and the bulb won't hold, or stays too short to engage in the holders. That is why this family is identified by its base before its style. The rest of the catalogue reads the same way, starting from the technical constraint: the full Designix lighting range is then browsed by room and by material.
R7S table lamps 78 mm or 118 mm: which length to choose?
78 mm suits compact lamps, the ones you place on a bedside table or a small desk. 118 mm goes to wider fixtures, often floor-standing, whose shade diffuses upwards and lights further. In both cases, the measurement that counts is that of the bulb in place, caps included, not the glass tube alone. For a large living room model, compare the design table lamps for the living room with the measurement to hand.
R7S table lamps LED or halogen: what does it change?
Halogen gives a warm tint, lights without delay and stays simple to replace, but it heats up and uses more power. LED heats little, uses less and opens up the choice of colour temperatures: around 2700 K for warm light, towards 4000 K for a more neutral rendering. Diode references are found in the design LED selection.
| Base length | Technology | Type of light | Recommended use | Good to know |
|---|---|---|---|---|
| 78 mm | Halogen | Warm, rather directed | Compact lamp, reading, accent | Heats up and should not be touched with bare hands |
| 78 mm | LED | White or warm depending on the reference | Same use, lower consumption | Check compatibility with a dimmer |
| 118 mm | Halogen | Warm, generous | Wide lamp, upward diffusion | The lamp must accept a 118 mm base |
| 118 mm | LED | Depending on the colour temperature chosen | Large lamp, ambient lighting | The rendering varies from one reference to another |
How to choose your R7S table lamp according to the light you want?
You start from the use: reading calls for light directed at the page, atmosphere calls for wider diffusion. Then you check the socket spacing, the space available, the head orientation and the base material, then the wattage and tint of the bulb, without exceeding what the lamp accepts.
What bulb wattage for an R7S table lamp?
The lamp itself states the maximum wattage allowed, engraved on the socket or on a label under the base: that value is the one that counts. In halogen, wattages climb quickly and the bulb gets hot; in LED, a comparable light output is obtained with far fewer watts. The useful reference remains the lamp, not the bulb: a fixture designed for a modest halogen will not take a more powerful bulb without risk to the holder.
Adjustable table lamps: when should you swivel the light?
A movable head is useful as soon as one lamp has to cover two situations: lighting a book then tilting towards the wall for atmosphere, aiming at a keyboard then raising the light towards a picture. Models with a ball joint or articulated arm are set once and for all at the right angle. The choice narrows down in the adjustable table lamps, and is completed by browsing the lighting catalogue by product family.
Where to place an R7S table lamp in the home?
In the living room, it sits near a sofa or in a corner to take the load off the ceiling light; in a bedroom, on the bedside table to read without glare; in the office, next to the screen. A hallway or entrance also benefits from a low lamp that guides your step.
The most beautiful living room lamps: the criteria that matter
In a living room, the height of the base matters as much as the style: a floor-standing lamp should reach shoulder height when seated, to place the light below eye level and not in your eyes. The stability of the base, the length of the cable and access to the switch decide everyday use. The models designed for the bedroom follow the same logic, in a smaller format, and the desk table lamps favour the direction of the beam.
Italian design table lamp, globe lamp or floor lamp: which style for which room?
The globe lamp diffuses widely and softens a corner; the floor lamp structures an empty space and occupies the height; the compact model slips onto a narrow piece of furniture. Italian style plays on curve and material, without changing the use: it is chosen for the presence it gives to a corner. For a graphic living room, look at the modern living room lamps, and for a softer look, at Scandinavian style.
| Room | Need | Lamp format | Recommended base | Point to watch |
|---|---|---|---|---|
| Living room | Atmosphere and reading | Floor lamp or globe lamp | 118 mm or 78 mm depending on socket spacing | Do not light the ceiling light zone twice |
| Bedroom | Soft light for reading | Small bedside lamp | 78 mm in LED | Avoid light directed at the other occupant |
| Office | Task lighting | Compact adjustable lamp | 78 mm | Place the source on the opposite side to the writing hand |
| Entrance or hallway | Landmark and welcome | Low lamp or slim floor lamp | 78 mm in LED | Provide an easily accessible switch |
How to connect several lamps to a single electrical supply?
You start from the existing circuit: each lamp is connected in parallel on the same supply, with a terminal block or connector blocks, respecting the conductor cross-section and the current allowed by the circuit. Power must be switched off, connections tight, earth reconnected if the lamp has one.
Connecting 3 lamps to 1 switch: the logic to follow
Three lamps controlled together are wired in parallel: the live goes from the switch to each socket, the neutral returns from each socket to the same point. You add up the wattage of the three bulbs before validating, because it is the total that the circuit must withstand. A clean junction box avoids splices and will make a future replacement easier.
Connecting several lamps in parallel: what to check
Check the capacity of the terminal block, the tightness of each wire and the presence of the earth when the fixture has one. A two-way switch or an extra switch is planned before installation, not after. At the slightest doubt about the conductor cross-section or the relevant circuit breaker, an electrician validates the assembly: it is the only way to be certain the installation will last.
How to arrange ceiling spots with an R7S table lamp?
The ceiling provides general lighting, the table lamp brings the accent and the atmosphere. Avoid doubling the same zone: spots are distributed in a ring or in regular lines, the lamp is placed where you need close light, near the sofa, the bed or the desk.
Ceiling spots and accent lamp: the distribution that works
In practice, you draw two networks: regular points on the ceiling to avoid dark zones, then a low point near the armchair or the screen. The most common mistake is placing a lamp right under a spot already aimed at the same table, which creates two shadows and reflections on a screen. One source per activity zone is enough.
Three lighting modes to combine in a room
General lighting lights widely and without a strong direction. Task lighting is directed at an activity, reading or working, and calls for a nearby source. Ambient lighting stays softer and highlights a wall or a corner. An R7S table lamp mainly covers the last two, which explains why it complements a ceiling light rather than replacing it. On a workstation, metal desk lamps are easy to adjust, and LED desk lamps limit heating above the surface.
What are the drawbacks of LED lamps and should you choose an LED R7S?
The LED R7S heats less and uses less than halogen and lights instantly, but not all references are equal: tint and colour rendering vary, and some do not work with a dimmer. Halogen remains appreciated for its warm tint. The choice depends on the use.
R7S table lamps 200 W: what does this wattage correspond to?
The 200 W mention found on some bulbs describes a halogen consumption, not a promise of light output for all technologies. It mainly serves as a replacement reference: at comparable output, an LED needs far fewer watts. What counts remains the maximum wattage allowed by the fixture, and the tint you want to obtain in the room.
Does an LED R7S work with a dimmer?
Not systematically. A so-called dimmable LED is controlled with a compatible dimmer, often of the type suited to low loads; a standard LED buzzes, flickers or switches off badly. The safest is to check both instructions, bulb and dimmer, before installing. On a bedside or desk lamp, the non-dimmable version is more than enough and simplifies the assembly, for example in the LED table lamps for the bedroom.
How to change an R7S bulb and maintain your table lamp?
Switch off the power, let it cool, then slightly spread the sockets or unscrew the holders to free the bulb from one end, without forcing. When refitting, the bulb must be aligned and both caps properly engaged. A soft cloth is enough for the base and the shade.
R7S table lamps: mistakes to avoid during assembly
A halogen bulb should never be touched with bare hands: the grease left on the glass marks the tube when switched on and shortens its lifespan. Also avoid forcing a socket to gain a few millimetres, refitting a bulb crooked, and changing the bulb without having checked the original length. A slightly shorter tube holds badly and ends up slipping out of its holder.
Cleaning the base and shade without damaging the finish
A soft, slightly damp cloth is enough on metal, wood or ceramic. Avoid abrasive products and alcohol on lacquered or gilded finishes, which lose their shine. The fabric of a shade is dusted dry, with a soft brush, and rarely cleaned in depth: moisture marks the fibres and distorts the shape.
How to match your R7S table lamp to the decor and the budget?
First choose the family of material and colour that dialogues with the room: metal and black for a graphic interior, wood and linen for a softer look, ceramic and crystal for a more dressed presence. The budget is decided by the finish and the bulb technology chosen.
Wood, metal, ceramic, crystal: which material for which effect?
Wood warms a corner and matches natural fibres. Matte black metal disappears in a contemporary interior and leaves only the light visible. Ceramic brings a matte presence and a little relief, crystal plays on transparency and reflections. For a bright living room, design wood lamps fit anywhere; for a more dressed room, look at the ceramic lamps then the crystal pieces.
Black, white or gold: how to decide?
Black structures and stands out on a light wall, white fades and lets the shade lead, gold warms a dimly lit room. One accent is enough: several metal pieces in different tints in the same room cancel each other out. A fabric shade, like linen shades, tempers a metal base and softens the light upwards. In a dark living room, black finishes for the living room blend into the decor and let the beam do the work.
Secure payment, tracked delivery, returns and Designix customer service: you order the lamp and its bulb in the same place, and customer service answers on base compatibility if any doubt remains. Measure your sockets, choose the technology, then validate your model.
Frequently asked questions about R7S table lamps
What is an R7S bulb?
It is a linear double-ended bulb, made of a glass tube finished with two metal caps. It clips between two sockets placed facing each other in the lamp. It comes in a halogen version and an LED version, in 78 mm and 118 mm.
What is the size of an R7S halogen bulb?
The two most common lengths are 78 mm and 118 mm, measured between the two caps. This is not a detail: the length must match the socket spacing of the lamp. If in doubt, measure the old bulb before ordering.
What are the drawbacks of LED lamps?
An LED heats little and uses less, but not all are equal: colour rendering and tint vary from one reference to another, some do not work with a dimmer, and the purchase price often remains higher than that of the equivalent halogen.
Which is the most efficient lamp?
In terms of consumption, LED is the most efficient technology: it converts more electricity into light and less into heat than halogen. The most efficient lamp remains the one whose base, orientation and diffusion match the actual use of the room.
What are the 4 types of lamps?
In lighting, the families are often grouped as follows: pendants, ceiling lights and wall lights, table lamps and floor lamps. Table lamps are distinguished by their base, such as R7S, and by their use: bedside, desk or reading corner.





