Why do incandescent bulbs burn out?

It is very usual that you flick the switch to turn the lights on and here goes another bulb after a quick, bright flash. Be sure to remember the name of the manufacturer and make another replacement. Usually, the instructions ensure that the lamp will work for at least 1000 hours. Then why instead of these several months, bulbs live only a few weeks?

What do these bulbs depend on in terms of their lives?

In many respects, the life of the lamp depends on the operating conditions.  But before we start deepening into a detailed analysis of all the reasons, let us note an important fact: the bulbs burn out at the moment of switching on! And there are explanations for this, but not quite simple and obvious.

The heart of almost all incandescent lamps is a tungsten spiral. The tungsten wire is wound in a spiral. The manufacturing technique is very complex and requires high-precision technology and the strictest observance of all requirements. It is on the quality of the tungsten wire that the service life of the lamps depends because then it will have to work at a temperature of 3000 degrees.

At this temperature, multiple processes begin, which, in the end, destroy our lamps! The trickiest process is the evaporation of tungsten. In this process, the spiral gets thinner, and small changes in diameter occur. In such places, the evaporation process takes on higher revolutions and the lamp burns out!

The process is quite long and with proper tension, the lamp can still justify its thousand hours. You can also slow down this process by filling the inside of the lamp with inert gases, for example, krypton. This technology is already used in the industry and on the shelves; you can already find such lamps.

If you have had enough with incandescent bulbs burning out all the time, it is time for you to switch to the better alternatives. Besides burning out too quickly and often, incandescent bulbs are a dying breed that is not economical at all.

One of the main factors affecting the lifetime of incandescent lamps is the quality of the voltage in the electrical network.

Traditionally, domestic lamps use plastic cartridges, and low-quality plastic is used for inexpensive luminaires. Ceramic cartridges are used less often.

There are many options you can choose from for your houses lightning. Electricity in Sydney is very expensive so why get along with bulbs that keep failing and use too much energy?

Compact Fluorescent Bulbs (CFL) is one of the choices you have. They are smaller than regular fluorescent bulbs that are very common too.

You can get a professional electrician to inspect your house and give you some advice on what your next steps should be.

incandescent bulbs


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