Capacitors have numerous applications in electrical and electronic applications.  This note examines the use of capacitors to store electrical energy....

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...

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

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

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...

A frequent problem in fault calculations is the obtaining of equipment parameters.  While it is always preferable to use the actual parameters of the equipment...

Multimeters are undoubtedly the most common item of electrical test equipment in use.  Often it is the first piece of equipment people will turn to when...

When looking at the design of a lighting scheme it is useful to have an understanding on the nature of light itself and some of the basic theory associated...

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