Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...

Battery powered cars are a hot topic and widely debated. The pros, cons, issues and time frames can be talked about endlessly. An article by the Telegraph...

A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...

Using laser optical pulses the random number generator utilizes the time between arrival of random photos to generate the numbers, ensuring true accuracy...

This is the first of two posts on the resistance of conductors. In the next post I will look at the ac resistance, including skin effect and we deal with...

Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...

If two dissimilar metals are touching and an external conducting path exists, corrosion of one the metals can take place.  Moisture or other materials...

We have had the Wiki with us for a long time now, but at last I have decided to say bye bye – more details on why below.

Most installations involve some form of lightning protection system which is connected to an earth electrode.  The function of the earth electrode is to...

This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.