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Outdoor Lamp

Outdoor lamp: safety first

An outdoor lamp is exposed to weather conditions. Outdoor lighting should therefore be waterproof or at least splash-proof. In addition, have a certain degree of dust resistance and protection against penetration by objects. These criteria are laid down in the so-called IP standard, which has a numbering system. IP number: IPxx. The first digit indicates either the degree of dust resistance or degree of resistance to objects. The second number always indicates the degree of protection against water. Example: IP44. The dust resistance for this model is at scale level 4 of a total 6 of levels. Water protection, second number, is also at scale level 4 out of a total of 8 levels. IP44 thus stands for "protection against solid objects larger than 1 mm and against splashing water. The latter is called splash-proof. Some types of outdoor lighting are even IP67. These are completely dustproof and protected against immersion for 30 minutes up to 1 m deep. We also have IP55 models in the range. These are dustproof, but not dust-proof, and spray-proof.

Practicality of outdoor lighting

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When buying outdoor lighting, the right choice often involves placement and power supply. Both issues are related. If you do not have a power connection where you want to place the outdoor light, then a version with battery power and/or a solar panel is a convenient option. If you do have access to a power connection, or if you are going to install one, the possibilities are virtually unlimited. However, always keep in mind the correct brightness, it makes quite a difference whether you are looking for maximum brightness or mood lighting. Many people are still familiar with the now defunct incandescent bulbs. Therefore, here is another small example with conversion factors to get a feel for the power of an outdoor lamp. We compare with an incandescent lamp of 60W. Conversion factor for halogen is 0.75. A halogen version then has a power that is 0.75 x 60W = 45W. For example, an energy-saving bulb has a conversion factor of 0.20, which, at a power of 12W, corresponds to a 60W incandescent bulb. An LED model has a factor of 0.13 and an output of 0.13 x 60 = 8W.

Led bulbs

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Most of our outdoor lamps feature LEDs. On the one hand because such an outdoor lamp does not suffer from moisture, the plastic housing is waterproof, but on the other hand because they have a huge lifespan. This is because no filament is used as in the old-fashioned light bulb, but two metal strips. The only enemy for LED is high temperature. Because even though it is not hot on the outside, internally in the housing it is a little different. If that heat is not properly dissipated through the connection pins, overheating occurs and the degree of it determines the strength of the decrease in lifespan. A led outdoor lamp is therefore very efficient in use: long life and up to 75% less energy costs than an incandescent lamp. Led bulbs usually come with a light output ranging from 100lm to 900lm. In addition, there are color temperatures. The efficiency of a warm color temperature of less than 2700K, warm yellow light, is lower than that of specimens with a cool color temperature, cool blue light, of more than 8000K.

Lumen and color temperature

Luminous flux, expressed in lumens (lm) is a measure of light output and is quite different from luminance or brightness. A 25W incandescent bulb has a light output of 200lm. A 40W version gives off a beam of 400lm and a 60W one even one of 700lm. These lumen values of are equivalent to those of LEDs of 4W, 6W and 8W, respectively. The luminous intensity in candela is another hardly practical value. Color temperature is expressed in K, which stands for Kelvin. This is the term with the most practical value in an LED lamp. 1200K = candlelight, 2800K is comparable to an incandescent lamp, 5000K corresponds to daylight, 6000K = sunlight and 6500K represents the standard white of a monitor. Bluish light with say 16000K has a significantly higher color temperature than reddish light with a value of 1800K. Thus, this also applies to shades. Cyan has a much higher color temperature than yellow or orange.