06.5 Explanations of some terms In this chapter you will find Strong and Halemeier lighting and Strong, Asa Plastici, Bachmann and Legrand chargers and connection points. They are sorted by brand (see above) and by model or connection type. What is in this chapter? A brief introduction of manufacturers, products or important values from this chapter. An important factor in choosing the right lighting is the colour of the light. This value, called the colour temperature, is given in Kelvin. Typical LED lighting colour temperatures are 3,000 K, 4,000 K, 6,000 K and 6,500 K. For other light sources and conditions it can be lower or higher. The following figure shows the different Kelvin levels. Changes in light colours can be observed during the day. In the morning, at sunrise, the colour of the light is at 1,800–2,500 K, in the morning in the range of 2,700–3,500 K, at noon 4,200–10,000 K – all depending on weather conditions and season. From midday the light temperature drops again. When choosing the colour of the light, take into account the colour of the interior and its furnishings, or the space you want to illuminate. A dark room requires a brighter colour of light, while a light room requires a softer, lower temperature light. The colour of the light affects your mood, your workload How to choose the light colour temperature? and even the amount of melatonin, so-called “sleep hormone”. Cold white in the bedroom can make it harder to fall asleep or may cause irritability in the morning. Warm white in the workroom can result in lower concentration and therefore more difficult solutions to work tasks. In the table below, we listed the rooms and the appropriate light colours to help you choose the LED lighting: classic bulb warm white neutral white cold white living room • • kitchen • • bedroom • • children's room • • bathroom • • workroom • • garden • • garage • • Important quantity: luminous flux lighting. And the fact that LED bulbs reach their full luminous flux immediately after lighting up, whereas other energy-saving bulbs take only a few minutes. classic bulb halogen bulb economical bulb LED bulb luminous flux 25 W 25 W 5 W 3 W 210–240 lm 40 W 40 W 9 W 5 W 400–450 lm 60 W 60 W 13 W 9 W 700–740 lm 100 W 100 W 22 W 15 W 1,300 – 1,500 lm When choosing the most suitable lighting, we should focus on its so-called luminous flux. A quantity given in lumens (for incandescent bulbs we have in the past encountered a number derived from the input power given in watts), which tells us how strong the light of the source (bulb, LED strip) is. The higher this number is, the more light we can expect. Or, the higher the number, the better we can see. For a better idea, we add an overview table. As a light source ages, its power diminishes over time. This should also be taken into account when selecting suitable
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