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Lighting




What do I have to keep in mind when installing outdoor ground spots?

Installing ground spots in the garden or on your terrace requires some caution. Floor uplighting has to be installed in such a manner that it is protected against moisture from the outside.

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Can I replace my incandescent or halogen bulbs with LED bulbs?

Yes, in many cases, you can simply replace your bulbs separately, one by one. We guide you through the most important steps for selecting replacement LED bulbs for most commonly used fittings. If your bulbs require a voltage level other than the usual 230V, some additional elements need to be taken into account.

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When installing several light sources, is it better to use one general transformer or to use several smaller ones?

Technically, there's no big difference. Economically speaking, it's better to use the smaller transformers.

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Should I use 8°, 24° or 45° AR111 bulbs?

The choice depends on the purpose you want to use the lamp for. The looks of these bulbs are the same for all three types. The degrees of the bulbs indicates the width of the beam of light. The higher the amount of degrees, the higher the width of the light beam.

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What is light colour?

Light colours, like cool white and warm white, tell us what kind of light a certain lamp will spread. These light colours are determined by their colour temperature, which is indicated in Kelvin

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What are the pros and cons of 12V and 230V?

The voltage you choose depends on personal preference and the situation in which you need to provide lighting. Each of these two choices has its advantages and disadvantages.

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What is an IP value?

The IP value indicates the degree to which electrical appliances like lighting fixtures are protected against solid objects or materials, and water. The IP value always consists of two digits.

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What is Candela?

Candela (cd) is the unit of luminous intensity.

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What is CRI or Colour Rendering Index?

CRI (Colour Rendering Index) is a value from 1 to 100 which indicates how accurately a source of light can render the colours of objects. Daylight renders colours the most accurately and therefore has a CRI of 100. CRI is expressed in Ra.

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What is Lumen?

Lumen (lm) is the unit of luminous flux. Lumen indicates the total amount of light which a light source emits per time unit (second), irrespective of the direction to which it shines.

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What is Lux?

Lux (lx) is the unit of illuminance and luminous emmittance.

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What is serial and parallel connection and when do I apply what?

There are two different connection methods possible: serial connection and parallel connection. You need to know the difference for LED light wiring. LED has to be connected either in a serial or a parallel connection. How these have to be connected depends on the light source. A wrong connection with LED will result in your LED lights breaking down.

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What to look for with spots in a concrete ceiling?

When you want to use spots in a concrete ceiling you can best search for spots with flat springs. These springs have more grip to press themselves to the inner wall of the whole which you need to make in the ceiling.

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What to look for with spots in a fake ceiling?

When you want to use spots in a fake ceiling you can best search for spots with torsion springs. These springs clamp themselfs against the inner side of the ceiling. Making the spots to be pulled against the visible outer side of the ceiling.

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Which transformer am I supposed to use?

There are two types of transformers: electronic transformers and conventional transformers. Click the link below for the advantages and disadvantages of each type.

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Connecting current controlled LED spotlights: do’s and don’ts

Some LED fixtures are current controlled (eg. 350mA, 500mA, 700mA and 1050mA). These require a continuous current. To turn the 230V mains voltage into current, you need a separate power supply, a current controlled power supply.

Current controlled LEDs can never be connected under voltage and should always be connected in a series circuit.

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Which DeltaLight installation option do I use for which kind of surface?

To mount the DeltaLight recessed fixtures into a ceiling or wall, there are different installation options. Which of these installation options you’ll need, depends on the type of wall or ceiling.

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What is a DeltaLight Concrete box and how to use it?

The DeltaLight Concrete Box is used for recessing spotlights in concrete ceilings or walls. To be more precise, you can use the DeltaLight Concrete boxes for following ceilings and walls: Stucanet, concrete + plaster, concrete beam and block + plaster, prefabricated concrete plate, prefabricated concrete plate + plaster and brick + plaster.

The Concrete Boxes make sure you can install your recessed lighting in a safe and neat way. You can install them before the concrete is cast, so you have the right cavities for your recessed spotlights. Another possibility is to drill the holes after the concrete is cast.

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What is a DeltaLight Concrete Pack and how to use it?

The DeltaLight Concrete Pack is used for recessing spotlights into concrete walls and ceilings. To be more precise, the DeltaLight Concrete Packs can be used for following walls and ceilings: concrete, concrete + plaster, concrete beam and block + plaster and prefabricated concrete plate.

The Concrete Packs ensure a neat and safe installation of your recessed spotlights. It’s best to install them before your concrete is cast. This way you’ll always have the right recessed holes.

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What is a DeltaLight Mounting Kit and how to use it?

The DeltaLight Mounting Kit is used for recessing spotlights in a wall or ceiling. These Mounting Kits can be used in different kinds of walls and ceilings: tiled ceiling or wall, concrete + plaster, concrete beam and block + plaster, prefabricated concrete plate + plaster and brick + plaster.

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What is a DeltaLight Plasterkit and how to use it?

The DeltaLight Plasterkit is used for recessing spotlights into plaster ceilings and walls. To be more precise, you can use the DeltaLight Plasterkits for following kinds of ceilings and walls: Stucanet, concrete + plaster, concrete beam and block + plaster, prefabricated concrete plate + plaster and brick + plaster.

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What is a DeltaLight Trimless Kit and how to use it?

The DeltaLight Trimless Kit is specifically designed for recessing the DeltaLight Minigrid In Trimless 3. You can use the Trimless Kits for following kinds of walls and ceilings: tiled ceiling or wall, false ceiling or wall, concrete + plaster, concrete beam and block + plaster, prefabricated concrete plate and brick + plaster.

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What is a DeltaLight ZB Box and how to use it?

You can use the DeltaLight ZB Box for almost any kind of ceiling or wall. To be more precise, you can use the ZB Box for recessing spotlight into following kinds of ceilings and walls: tiled ceiling or wall, Stucanet ceiling or wall, concrete + plaster, concrete beam and block + plaster, prefabricated concrete plate + plaster and brick + plaster. The ZB Boxes are designed for trimless recessing of DeltaLight Grid In and Mini Grid In fixtures.

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How and when do I install a Modular Lighting Modupoint?

The Modular Lighting Modupoint is a multifunctional connection point that can be used for ceilings, walls and floors. The Modupoint is used as a recessed power socket for a variety of Modular Lighting fixtures.

Once a Modupoint is installed, you can plug in different Modular Lighting fixtures quick and easily. The system is comparable to the jack cable with which a headphone is plugged in.

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How to install a Modular Lighting Multiple recessed spotlight?

The Modular Lighting Multiple is a series of minimalist recessed spotlights. The Multiple spotlights are available in numerous varieties. There are single and multiple models, trimless models and also smaller variants (Mini-Multiple).

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How to interpret a light distribution curve?

As its name points out, a light distribution curve is a visual representation of the light diffused by a luminaire. This graph tries to transpose a three-dimensional concept onto a two-dimensional medium. At first glance, a light distribution curve may look quite complicated. But appearances can be deceiving because they are (relatively) simple to read as soon as you understand the various components.

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What should I keep in mind when lighting up my façade?

Outdoor lighting provides a beautiful, aesthetic extension of your interior. Floodlights or spotlights focussing on the outer wall can create an extraordinary atmosphere around your home. Different results can be obtained by varying the distance between the spotlights from the wall and the spacing between the spotlights themselves. Do you want a uniformly illuminated wall or would you prefer separate patches of light on the wall? The following are a few guidelines to achieve the best lighting result by adjusting the distance, beam angle, wattage, etc.

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How do I know whether a lighting fixture can be used in the bathroom?

To determine whether an electrical appliance such as a luminaire may be installed in the bathroom you need to check the IP-value of the fixture, the voltage at which it functions and the spot you want to install it.

To ensure the safety, the bathroom is divided into four imaginary zones based on their distance from the tub, the shower or the sink. Depending on the zone in which you wish to install the fixture, different safety requirements in terms of IP-value and voltage apply.

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Can I dim a fluorescent lamp and how?

Modern fluorescent lamps are equipped with an electronic ballast. This ballast ensures that the lamp doesn’t flicker when switching it on. Plus, it extends the lamp’s lifespan. To dim a fluorescent lamp you require a dimmable electronic ballast.

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What is the difference between GU10 and GZ10?

The difference between GU10 and GZ10 lamps lies in the bottom side. GU10 bulbs have a rounded bottom, while a GZ10 bulb has straight lines. As a result, a GU10 lamp fits both in a GU10 as in a GZ10 fitting, while a GZ10 only fits in a GZ10 fitting. Hence the letter ‘u’ – which stands for ‘universal’ – in its name.

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What is RGB?

RGB stands for Red, Green and Blue. These are the three primary colours of the additive colour system. In lighting we encounter RGB for coloured lighting. RGB lighting enables you to create millions of different colours of light, all based on these three primary colours.

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What is the ideal mounting height for a wall light?

The mounting height of a wall light is of course something you choose yourself, and often depends on your personal taste or the application. But usually a mounting height of 1.60 to 1.70 m is taken as the standard. You should install a wall light around eye level, this avoids glare because viewing right into the light source is not possible.

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What is the difference between S1 and S2 mounting springs?

The difference between S1 and S2 mounting springs lies in the application purpose. S1 springs are used in a hollow ceiling (e.g. plasterboard or wooden plates), while S2 springs are used in a concrete ceiling (e.g. concrete slabs or vaults).

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How many recessed spotlights do I need to evenly light a room?

The time that we used a grid in which a certain number of recessed spotlights were placed at the same distance from one another, is long gone. Nowadays we use the light requirements to determine the right lighting. We install luminaires where they are needed.

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Lighting in stores: what is the ideal colour temperature for displaying meat, fish, vegetables, bread,…?

The colour of light influences our perception. It even has an effect on our bodies – something that keeps the chromotherapists busy. That's why so much attention is paid to finding the right colour temperature for the lighting in shops.

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What type of recessed floor spotlights are best for my terrace?

If you only want to emphasise the contours of your terrace, then it is best to choose ground spots with a low light output and/or diffuse light. Ground spots that are too bright can be blinding. The spotlights need only add highlights without giving off a strong beam of light.

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Are there ceiling lamps with built-in motion sensors or can I add one discreetly?

Yes, there are ceiling lamps with built-in motion sensors. Take into account the fact that the range of products offered is limited and that, aesthetically speaking, these lamps are less sleek than others.

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What type of wire should I use for my spots?

The type of wire to use is dependent on different factors, such as the type of spot, the voltage and the amperage carried by the wire.

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How do I connect between the ground spot wire and my live wire?

There are different ways to connect outside wiring to the live wire of a ground spot.

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How do I easily suspend a pendant light decentralised over a table or in a room?

There are three ways you can use decentralised suspension: via lights with an adjustable arm, via suspension clamps, or via metal wires.

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Can I just use high bays to light my dining room?

If you sit under the light of a high bay, the rest of the room will still feel dark. So, extra lighting is needed.

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Is it still possible to add lights on a track afterwards?

Yes, you can still add lights on a track. However, there are restrictions you must think about. A 12 V track is affected by the transformer capacity.

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Can I hang a different brand name pendant on a track?

It is sometimes possible to hang a different brand name pendant on a track. It will depend on the available fittings and varies from brand to brand. Please consult with our help desk to check the compatibility of your pendant and track.




Can I also install a socket on my track?

Yes, but it is dependent on the brand. Not every brand has a socket fitting in its product range. Please consult with our help desk to discuss your options.




Can I suspend my track?

Yes, it is possible suspend tracks. There are two suspension methods, either use bars or a wire. The method used will depend on the brand of your track.




Which light should I use to see the most natural colour rendered in a mirror?

To achieve optimal mirror lighting, three points must be allowed for: the position of the light(s), the light colour and the type of light.

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Can I also buy a custom-made mirror light with the same width as my mirror?

Yes, we can supply you with custom-made mirror lights. Virtually all sizes are possible. Please contact our help desk to discuss your mirror light needs.

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Where do I place my power supply/transformer if my (wall) lamp needs an external unit?

Do you have a lamp with an external power supply/transformer? Depending on the model and the application, there are three different positioning options.

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What are the different methods used for dimming?

Several methods are available to dim lighting. These dimming methods are categorised into three groups: dimming of electrical potential, dimming of control signal (analogue) and dimming of control signal (digital).

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Can I replace fluorescent bulbs with LEDs?

Yes, it is possible to replace a fluorescent bulb with an LED. We make a distinction between conventional fluorescent bulbs and high-frequency fluorescent lighting.

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How many fluorescent bulbs do I need to sufficiently light my workplace?

Yes, it is possible to replace a fluorescent bulb with an LED. The way this is done depends on what kind of fluorescent bulb you are using. We make a distinction between conventional fluorescent bulbs and high-frequency fluorescent lighting.

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Can I order customised profiles?

Yes, it is possible to order customised lighting profiles. These will be made to your specifications - perfect for customised lighting in bathrooms, kitchens, living rooms, and offices.

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Can I use LED strips as my main lighting?

LED strips are generally not used as main lighting for aesthetic purposes. After all, the LED diodes remain visible. That is why LED strips are usually integrated into a false wall or behind a piece of furniture to provide indirect lighting.

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Are rails included with the rail spots?

No, the railspots and rails are not bundled. You must buy them separately. When purchasing rails and railspots, always take the type of rail (1-phase or 3-phase) and the voltage (1 V or 230 V) into account. Please contact our helpdesk if you have any doubts.




What is a coverset/base flange?

A coverset/base flange is designed to cleanly hide recess boxes in the ceiling.

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What is a conbox or concrete box, and why do I need it?

A conbox or concrete box must be used for recessed spots in solid concrete ceilings or walls. A conbox guarantees that the installation of your recessed spots is clean and safe.

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How long do LED lights last?

This depends on a number of factors. We will try to give you a clear idea of what exactly you can expect from LED lighting.

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Water damage to ground spots because of rising groundwater

Outdoor lighting has to endure cold, rain, wind, but also groundwater which rises to the surface occasionally. This is mainly a threat for ground spots of course.

The groundwater level differs from one area to another and changes throughout the year. Still, it’s best to always make your ground spot connection watertight.

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How do I prevent standby-mode power consumption?

Does it bother you that your LED lamp continues to emit a small amount of light even when it is turned off? This is usually because your light circuit uses a single-pole switch. Turning off the lamp switches off the phase wire, but not the neutral wire.

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How many LED panels do I need to properly light my workspace?

Do you want to light your workplace with LED panels? Than it's best to look at the according regulations. There are rules for lighting workplaces in order to prevent accidents and tiredness of the eyes.

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Choose pendant lights: what should I look out for?

Pendant lights are available in all shapes and forms. The light output differs according to the shape, the light source, and the material from which the pendant lamp is made.

The type of pendant light should match the room in which it is hung and its application, apart from whether or not other light sources are present in the room.

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