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

A couple of months ago I came Microsoft's OneNote and downloaded the 60 day free trail. Since then I have been using it regularly and now have a full license...

I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...

Following on from my post on railway electrification voltages, I thought an introduction to traction substations would be a good idea. Traction substations...

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

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...

The widely used United Sates standard ANSI/IEEE C37.2 'Electrical Power System Device Function Numbers, Acronyms, and Contact Designations' deals with...

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

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

Using software in our  work is essential for most of us and we are becoming even more dependant on it's use.  While software is a great asset, many times...