If you are working on a large plan, get the real coordinates [latitude, longitude] for two or more points and add them to the drawing. That way you can...

The standard aims to consolidate AC and traction voltages within the industry and defines the following bands: band 1 - A.C. systems 100 V to 1...

If your are ever called out to troubleshoot something on your electrical system, one of the first things consider is the supply voltage. You want to ensure...

It wasn't so long ago I was telling someone that I don't use rules of thumb as most things are easily calculated anyhow.   As it turns out I last week...

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

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...

The IEC publishes a series of documents and rules governing the preparation of documents, drawings and the referencing of equipment.   Depending on country...

A load flow study is the analysis of an electrical network carried out by an electrical engineer. The purpose is to understand how power flows around...

Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...

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...