A battery consists of one or more cells, each of which use stored chemical energy to produce electrical energy, There are many types of cells and these...

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

The robot folding towels post below was interesting enough at the time to post a link.  Recently I’ve come across a couple of other interesting videos...

This is the first of two posts on the resistance of conductors. In the next post I will look at the ac resistance, including skin effect and we deal with...

Many questions sent in to the site are in connection with motor starting and in particular star-delta.  For all but the simplest application, there is...

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:

Low voltage (LV) switchrooms are common across all industries and one of the more common spatial requirements which need to be designed into a project...

Gauss's Electrical law defines the relation between charge ("Positive" & "Negative") and electric field.  The law was initially formulated by Carl Friedrich...

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