These lifts were first built in 1884 by J. E. Hall and called a paternoster ("Our Father", the first two words of the Lord's Prayer in Latin) due to its...

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...

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

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

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

A load flow study is the analysis of an electrical network carried out by an electrical engineer. The purpose is to understand how power flows around...

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...

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...

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

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...