IEC 62305 'Protection against lightning' requires a risk assessment be carried out to determine the characteristics of any lightning protection system...

Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...

IEC 60287 "Calculation of the continuous current rating of cables (100% load factor)" is the International Standard which defines the procedures and equations...

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

Photovoltaic (PV) cells (sometimes called solar cells) convert solar energy into electrical energy.  Every year more and more PV systems are installed...

A quick post in connection with an email question: Live Tank - the circuit breaker the switching unit is located in an insulator bushing which is live...

‘Kept looking at a card, y’see? Kept looking at it. Welcome back Bottle. Gods below welcome home. The Crippled God A Tale of the Malazan Book of the...

Light Emitting Diodes (LED ) are increasing gaining favour in both the domestic and commercial sectors; due to their efficiency, sustainability and durability...

Visitors who like to type web address rather then click menus may be interested in how our URL structure works.

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