I was having a conversation the other day about voltage levels.  While everyone was in agreement that low voltage was 1000 V and less, there was more confusion...

Coils of wire on the rotor carry a d.c. current which generates a magnetic field. A stator magnetic field is created using either permanent magnets or...

This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

Power cables can basically be classified into earthed and unearthed cables, where earthed and unearthed refer to the application for which the cable is...

Visitors who like to type web address rather then click menus may be interested in how our URL structure works.

The term 'N+1' relates to redundancy and simply means that if you required 'N' items of equipment for something to work, you would have one additional...

Sometimes it’s useful to be able to quickly lookup a piece of technical information.  This note is a collection of information related to motors, and in...

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

Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...

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...