The following tables provide quick order of magnitude fault levels for a a range of typical low voltage situations.

IEC 60228 is the International Electrotechnical Commission's international standard on conductors of insulated cables. Among other things, it defines a...

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

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...

The IET site has a video of a visit showing of a high tech meeting room developed at Napier University in Edinburgh. It a good demonstration of innovative...

Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...

IEC 60947 is the circuit breaker standard and covers the marking of breakers in detail. Any manufacturer following this standard should comply with the...

I received this question by email a few weeks. First thoughts was that it is a product of the mathematics of rotating a straight conductor in a magnetic...

Over the past year or so I've been involved in on going discussions related to referring fault levels from the secondary of a transformer to the primary...

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.