Light Adviser The length of a 60 W, 240 ω light bulb filament is 60 cm. 1) If the potential difference across the filament is 120 V, what is the strength of the electric field inside the filament?2) Suppose the length of the bulb’s filament was doubled without changing its diameter or the potential difference across it. … Read more
The IK rating means the degrees of protection provided by enclosures for electrical equipment against external mechanical impacts or shocks in joules. The IK rating consists of two digits (00 to 10) after the term ‘IK’ (e.g. IK05). IK ratings are particularly important for lights and lighting fixtures that may be fitted in an area … Read more
During any festival you can often see them outside or by the window: LED candles that flicker in the dark and pose no risk of fire. Candles are also gaining ground in cemeteries. What is it with these wax candles and how does it work? Of course there are also big differences in the LED … Read more
The IP65 means the degree of protection against accidental contact and ingress of dust along with water jets from any direction. Here, ‘IP’ stands for Ingress Protection, and the digits ’65’ describe the exact degree of protection against contact, and the ingress of foreign bodies as well as water. You may have seen IP ratings … Read more
The beam angle of a light or lamp is the angle of light distribution or emission. This angle of lighting also determines how much area will be covered by light. Lamps come in a variety of beam angles from as narrow as 4 degrees to as wide as 120 degrees (e.g. SMD LEDs). For example, … Read more
Sufficient light, fresh air and enough space are essential for the safety and well-being of farm animals. In this blog, we explain how light affects the animals on the farm, which type of lighting is suitable for lighting the barn and how you can choose particularly efficient and sustainable light sources. The most important information … Read more
After a visit to the salon or hairdresser, customers want to leave the store satisfied and like to come back for the next cut. In this blog post we will show you how you can get the best out of your hairdressing salon with the right lighting concept and how you can improve your own … Read more
You probably already know: LED lighting is not only more environmentally friendly, it also saves money on your electricity bills. But one of the most underrated benefits of LED lighting is the lower maintenance costs. This will amortize your initial costs at the speed of light – and there will be no further expenses for … Read more
Lumen (lm) is the unit for the so-called luminous flux. It indicates how much light a lamp emits. In short: Lumen measures brightness! Nowadays, when buying a lamp, the lumen value is decisive and not the wattage. Key facts at a glance: Lumens measure brightness, watts measure power consumption Luminous efficacy: measures the efficiency of … Read more
The trend when it comes to lighting is clearly going in one direction: LED. Whether for offices, industry and warehouses, underground garages or as safety lighting for the area of your headquarters: LED is worthwhile in several ways. The advantages are obvious, because not only does the environment benefit from the light-emitting diodes, but also … Read more
