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 other day I was talking to a colleague who is a building services consultant. Despite regularly specifying dry-type/cast resin transformers he was...
A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...
When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...
Using laser optical pulses the random number generator utilizes the time between arrival of random photos to generate the numbers, ensuring true accuracy...
For unbalance conditions the calculation of fault currents is more complex. One method of dealing with this is symmetrical components. Using symmetrical...
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...
Before the technical, some general information. E-ink display are found in a lot of e-readers, some mobile phones and similar devices and the intent is...
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...
Maxwell's Equations are a set of fundamental relationships, which govern how electric and magnetic fields interact. The equations explain how these fields...
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