How to Choose a Light Bulb

Choice of a light bulb

Since good old incandescent bulbs are no longer (or almost) available on the french market, choose a bulb has become a real headache… Here are some tips to make the good bulb buying at the best price.

What are the necessary supplies?

A light bulb

Stages of realization

1 let us pay attention to the characteristics of the chandelier or socket

First, he must look at the features of the fixture which will support the bulb to get it right. Be careful to two most important information:

-The nerve: in the classic (especially for sockets) it will be E27 when it’s a kinda big screws, B22 when its bayonet or same E14 which is a thinner screw no often used in luminaires in bathroom above the mirror. But there is an astronomical amount of different units, where the importance of check it out before buying.

-Power: to maintain the safety of your electrical system, control the maximum power of the bulb which will be supported by your fixture and not to exceed. The maximum power supported by the lighting system is generally above or at the level of the socket.

  1. type of bulb

Since the end of the incandescent lamps, several types of bulbs available to us from http://www.foodezine.com/led-lamps-for-industrial-lighting/. Here is some information on how to find and choose the light bulb that fits you:

-Fluorescent bulbs compact which consume about 4 times less than an incandescent for the same rendering of light bulb, they also have a greater life expectancy (around 10000 h). The disadvantages are lighting is not always instantaneous and very ergonomic shape of the bulb (despite the efforts of the manufacturers on these two points from day to day).

-Halogen or even eco-halogen, bulbs are light bulbs that are closest to traditional incandescent lighting while being more efficient. They use about 30% less than an incandescent bulb and have a life twice longer than the latter. A last advantage is its price much cheaper than the Led or compact fluorescent bulbs; of course, this is explained by the performance in terms of life and economy of energy lower than these two competitors.

-The LED bulbs are the ultimate in quality in terms of energy saving. Manufacturers have made significant progress since its launch. Led bulbs have a life beat (about 50000 h), they have an instant ignition and consume about 10 times less than an incandescent bulb. At present the biggest drawback of the LED remains its purchase price higher than its neighbors of Ray…

  1. colour of light

The color of the light is measured in Kelvin. There are the warm white, your warm Orange, which was the standard of the incandescent light bulb and white cold, rather bluish, which has a certain rate, can come close to the light of day. For example, it may be useful to put cold white in a bathroom to get ready and put on makeup…

In terms of measurement, warm white is around 2500 kelvin and cold white around 5000-6000 Kelvin. It is advisable to avoid cool colors especially LED bulbs in rooms where there are children (light intensity too powerful for their young eyes).

  1. power of the bulb in the room

The powers of the incandescent light bulb must be calculated in watt, when buying a bulb it was based on the play. It was said “it would take 40 W to the little room” or “we would see better with 100 W to the kitchen”. Today, we must look Lumens especially on led and compact fluorescent bulbs that do not have the same rendering than incandescent lamps.

So, one Lumen illuminates a certain area (in square metre) which gives a value in Lux; Lux = Lumens/area.

Here are the values of illuminance required at home:

Stairs: 50 Lux.

Closet: 30 Lux.

Toilet: 200 Lux.

Kitchen: 300 Lux.

Entrance hall: 100 Lux.

Room: 200 Lux and more if needed.

Dining room: 300 Lux and more if needed.

Living room: 300 Lux and more if needed.

Office: 400 to 500 Lux.

If you need more Lux for example to read to in a particular place or doing manual work, you can install lamps extra or e-readers.

 

Gallery

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