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...

Most installations involve some form of lightning protection system which is connected to an earth electrode.  The function of the earth electrode is to...

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...

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

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...

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

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...

I've recently come across this question a couple times browsing the internet. Decided to give a quick answer here. A rectifier transformer is a transformer...

Over the past year or so I've been involved in on going discussions related to referring fault levels from the secondary of a transformer to the primary...

I was digging in my bookshelf and came across the 80th Anniversary Association of Mine Resident Engineers, Papers and Discussions Commemorative Edition...