A recurring theme on our forums is cable sizing. Now many installations are unique and require special consideration. However, a lot of the time things...

When thinking about watts (W) or kilowatt (kW = 1000 W) it can be useful too keep in mind the fundamental ideas behind the unit. Watt is not a pure electrical...

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

Tapping your forearm or hand with a finger could soon be the way you interact with gadgets. A new technology created by Microsoft and Carnegie Mellon ...

From the earliest times, humans have found ways to create light. Pre-historic peoples used natural materials (moss, grass, etc.) soaked in animal fat and...

Steel ladders, trays and baskets form the backbone of cable containment systems. Often these items need some form of surface treatment to prevent corrosion...

Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...

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

Cable insulation is used to provide electrical separation between conductors of  a cable.  During the historical development of cables, numerous types...

Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...