When sizing cables, the heat generated  by losses within any sheath or armour need to be evaluated. When significant, it becomes a factor to be considered...

The robot folding towels post below was interesting enough at the time to post a link.  Recently I’ve come across a couple of other interesting videos...

Our IEE cable sizing was wrote a few years ago and had become rough around the edges. I thought it was time to give the tool a service. Unfortunately when...

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...

Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...

A frequent problem in fault calculations is the obtaining of equipment parameters.  While it is always preferable to use the actual parameters of the equipment...

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

When looking at the design of a lighting scheme it is useful to have an understanding on the nature of light itself and some of the basic theory associated...

If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...

Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...