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

Insulation on a motor prevents interconnection of windings and the winding to earth.  When looking at motors, it is important to understand how the insulation...

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...

For unbalance conditions the calculation of fault currents is more complex. One method of dealing with this is symmetrical components. Using symmetrical...

Low voltage (LV) switchrooms are common across all industries and one of the more common spatial requirements which need to be designed into a project...

The calculation of current in a three phase system has been brought up on our site feedback and is a discussion I seem to get involved in every now and...

We have had the Wiki with us for a long time now, but at last I have decided to say bye bye – more details on why below.

Have an opinion or something to say, want to ask or answer questions, share your knowledge then use our site to do it . As a community of people interested...

The fundamental component of any analogue computer is the operational amplifier, or op amp. An operational amplifier (often called an op-amp,) is a high...

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...