The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...

Multimeters are undoubtedly the most common item of electrical test equipment in use.  Often it is the first piece of equipment people will turn to when...

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

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

‘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...

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

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.

When selecting a generator, there are inherent limits on the active and reactive power which can be delivered. Generators are normally sized for a certain...

Cable insulation is used to provide electrical separation between conductors of  a cable.  During the historical development of cables, numerous types...

It starts with me reading one of the Horrible History books with my son (Groovy Greeks). Arrows were mentioned which lead to the discussion of the bodkin...