If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...

The standard aims to consolidate AC and traction voltages within the industry and defines the following bands: band 1 - A.C. systems 100 V to 1...

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 frequent problem in fault calculations is the obtaining of equipment parameters.  While it is always preferable to use the actual parameters of the equipment...

Tapping your forearm or hand with a finger could soon be the way you interact with gadgets. A new technology created by Microsoft and Carnegie Mellon ...

The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...

It wasn't so long ago I was telling someone that I don't use rules of thumb as most things are easily calculated anyhow.   As it turns out I last week...

GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:

Circuit breakers are switching devices whose primary function is to isolate parts of an electrical distribution system in the even of abnormal conditions...

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