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.

A fundamental concept behind the operation of alternating current systems is that voltage and current waveforms will be sinusoidal – a Sine Wave. This...

Cable insulation is used to provide electrical separation between conductors of  a cable.  During the historical development of cables, numerous types...

At the beginning of the year China put the world's first 1,000 kV UHV transmission system into operation. Transmitting power at over a million volts is...

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

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...

One of the requirements to ensuring that everything works is to have equipment selected, manufactured and verified [tested] to IEC standards. Not all equipment...

Have an opinion or something to say, want to ask or answer questions, share your knowledge then use our site to do it . As a community of people interested...

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...

This is the second post in a series of two on periodic electrical inspections. In the first post, I discussed how often inspections should be carried out...