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...

When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...

A UPS is an uninterruptible power supply.  It is a device which maintains a continuous supply of electrical power, even in the event of failure of the...

While not as popular as it once was, frame leakage protection does still have some use in some circumstances.  In essence frame leakage is an earth fault...

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...

Many questions sent in to the site are in connection with motor starting and in particular star-delta.  For all but the simplest application, there is...

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

This is the second post in a series of two on periodic electrical inspections. In the first post, I discussed how often inspections should be carried out...

I've been considering a blog on the 110 or 230 Volt issue for a while.  While browsing the Internet I came across a great summary by Borat over at  engineering...

Following on from my post on railway electrification voltages, I thought an introduction to traction substations would be a good idea. Traction substations...