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

Lamps are the essential part of any luminaire. These are the light generating components. Since the advent of electrical lighting in the middle of the...

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

MIT OpenCourseWare, makes the materials used in teaching all MIT subjects available on the Web, free of charge, to any user in the world.

It's been a busy few months on different projects or busy couple of decades depending on how I look at it. I can say that on the odd (frequent) occasion...

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...

Working in the vicinity of electrical equipment poses an hazard. In addition to electric shock hazard, fault currents passing through air causes Arc Flash...

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

Recently I have seen a few interesting articles on viable cold fusion; the combining of atoms at room like temperatures to create boundless energy. Now...

One of the comments on my Motor Starting Series was asking for something on duty cycles. Here it is. As a purchaser of a motor, you have responsibility...