What type of light source?
By ‘type of light source’ we usually mean the technology hidden in the light source. Not very exciting, you might think, but it is interesting for your wallet. Although the light bulb seems cheap at first, it is really expensive. An incandescent lamp flashes at the slightest sign, while an LED lamp is sturdy and lasts 15x longer.
Our advice: always opt for an LED lamp. There is plenty of choices, they are attractive and also sustainable. You can read more about the different types of light sources in our article All about the type of lighting ideas.
The number of lumens – How much light do I want?
Every space and application requires a different amount of light. You would like to have a cozy atmosphere in your living room, while you would like brighter light in your garage, for example. The amount of light from a light source is indicated by the number of lumens. The more lumens, the more light. A light source with 400 lumens is, therefore, brighter than a light source with 160
Which fitting size?
It is super important that the fitting of your light source, that screw part, fits into the fitting of your lamp. If you can’t turn your light source into it, your light source is of no use at all. The most common fitting size is the E27 fitting. This is also known as the large fitting. For a somewhat smaller lamp, you can also opt for a light source with an E14 fitting. The choice of your fitting size depends of course on the choice of your fitting. An E27 light source goes into an E27 socket, an E14 light source into an E14 socket, and so on.
About the size you might think: it doesn’t matter, as long as I like it. But trust us, size does matter, sometimes. For example, if the shape of your lampshade is so tapered that a spherical light source with a diameter of 95 mm would actually fit, but in reality, it wouldn’t even come through the opening. So it always pays to measure a few things, especially if you have a (semi) closed, narrow or flat lamp.
How many watts?
The wattage of your lamp indicates how much energy it consumes. In the past, the number of watts also said something about the amount of light, but with the arrival of the LED lamp that is no longer the case. A 4-watt LED lamp can be just as bright as a 40-watt incandescent lamp. That is why we now use a different measure for the amount of light: lumen.
The wattage of your light source is especially important if you want to make a lamp that can also dim. The wattage of the light source must match the wattage of your dimmer. It is also useful for ready-made lamps (luminaires) to know the wattage of your light source. That may not be higher than the wattage that the fixture can handle.
Which light color?
The light color of your lamp largely determines whether a lamp provides atmospheric or practical light. For example, a warm white light source is more pleasant than a cool white one (just think of the yellow/orange lights in a chandelier versus the chilly fluorescent lighting in the office). The light color of a light source is indicated by the number of Kelvin (K). The more Kelvin, the cooler the light. For example, a light source with 2200K gives extra warm white light and a light source with 4000K is a bit cooler. If you want to know more about this, read our article All about light color .