Multimeters are undoubtedly the most common item of electrical test equipment in use.  Often it is the first piece of equipment people will turn to when...

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

A recurring theme on our forums is cable sizing. Now many installations are unique and require special consideration. However, a lot of the time things...

Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...

Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...

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...

Straight forward list of some common motor faults.  If I have missed any other common faults, please take a bit of time to add them in as a comment below...

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

The image (reproduced from IEC 60909) shows a typical fault in an ac system.  From the illustration it can seen that there is an initial dc component ...

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