When looking at the design of a lighting scheme it is useful to have an understanding on the nature of light itself and some of the basic theory associated...

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

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...

Capacitors have numerous applications in electrical and electronic applications.  This note examines the use of capacitors to store electrical energy....

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

Years ago I was told that you should always try to write the best report you can.  Many years later I still think on this as one of the better pieces of...

Within Europe the European Committee for Electrotechnical Standardization (CENELEC) has standardised the both the designation and colour of cables.   ...

The other day I came across an article in Technology Review on the development of a smart transformer. A professor at North Carolina State University is...

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.

Some colleagues had an issue earlier in the week on sizing conduits to be cast in concrete for some power cables . It became clear that none of us had...