Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...

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.

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

Estimating maximum demand is a topic frequently discussed. Working out how much power to allow for a building can be very subjective . Allowing too much...

Delum, who had watched all in silence, his face empty of expression, now spoke in turn. ' "Lead us, Warleader, into glory."' Reading is something I do...

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

Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...

American inventor Thomas Alva Edison was born in Milan, Ohio on February 11, 1847. He was the youngest of seven children and received little formal schooling...

The European Union is implementing a voluntary code of practice for participants with the aim of improving the overall efficiency of data centres. As part...

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...