Installation of a UPS can help in reducing problems due to issues with the power supply.  A lot of people relate this to nine key issues.  Depending on...

Estimating maximum demand is a topic frequently discussed. Working out how much power to allow for a building can be very subjective . Allowing too much...

How often installations are inspected is up to the owner of the installation, provided such durations do not exceed any regulatory maximums in force. ...

The other day I was talking to a colleague who is a building services consultant.  Despite regularly specifying dry-type/cast resin transformers he was...

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

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

This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

Most installations involve some form of lightning protection system which is connected to an earth electrode.  The function of the earth electrode is to...

The International System of Units (abbreviated SI) is the world's most widely used system of units.  The system consists of a set of units and prefixes...

GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view: