Years ago I was told that you should always try to write the best report you can.  Many years later I still think on this as one of the better pieces of...

While not as popular as it once was, frame leakage protection does still have some use in some circumstances.  In essence frame leakage is an earth fault...

Anyone specifying or using electric motors should have a basic understanding how the insulation is related to temperature. Three classes of insulation...

For unbalance conditions the calculation of fault currents is more complex. One method of dealing with this is symmetrical components. Using symmetrical...

Here’s list of some famous scientists. Deliberately short, with the aim to provide a quick memory jog or overview. If your looking for more detailed information...

The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal of...

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...

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

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

The inventor of the first visible light-emitting diode makes history again this year as it begins to show customers a 40-watt replacement GE Energy Smart...