In three phase systems, the use of transformers with three windings (or legs) per side is common.  These three windings are often connected in delta or...

Our IEE cable sizing was wrote a few years ago and had become rough around the edges. I thought it was time to give the tool a service. Unfortunately when...

Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...

If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...

A quick post in connection with an email question: Live Tank - the circuit breaker the switching unit is located in an insulator bushing which is live...

The IET site has a video of a visit showing of a high tech meeting room developed at Napier University in Edinburgh. It a good demonstration of innovative...

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

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

Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...

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...