A lot of our members work in countries where PPE (personal protective equipment) is regulated or they work for companies/organizations which take employee...

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

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

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

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

Maxwell's Equations are a set of fundamental relationships, which govern how electric and magnetic fields interact. The equations explain how these fields...

Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...

Various techniques exist to enable the correct selection of batteries for UPS applications.  The procedure described below is one of the more common. ...

Electric motors are one of the most widely used items of electrical equipment. Improving motor efficiency benefits include, reduced power demand, lower...

Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...