In a previous article I looked at the dc resistance of conductors and in this article we turn our attention to ac resistance. If you have not read the...

In electrical engineering, Network Theory is the study of how to solve circuit problems. By analyzing circuits, the engineer looks to determine the various...

myElectrical does not support or promote the use of copyrighted material without the copyright owner's consent. If you believe that material for which...

If you are wondering what happened to our cable notes, the short answer is that we have moved them to myCableEngineering.com.  The "Knowledge Base" at...

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

I'm a fan of using manufacturers catalogues. There are two main reasons for this. Firstly, if your involved in the purchase of equipment, you will likely...

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

When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...

I received this question by email a few weeks. First thoughts was that it is a product of the mathematics of rotating a straight conductor in a magnetic...

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