Power cables can basically be classified into earthed and unearthed cables, where earthed and unearthed refer to the application for which the cable is...

Lead acid batteries are cost effect and reliable, making them suitable for many applications.This note examines topics of interest associated with the...

If two dissimilar metals are touching and an external conducting path exists, corrosion of one the metals can take place.  Moisture or other materials...

A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...

Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...

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...

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

ABB has produced a range of technical guides that offer concise explanations of the major technologies and technical issues in low voltage AC drives. ...

Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...

The European Union is implementing a voluntary code of practice for participants with the aim of improving the overall efficiency of data centres. As part...