Earthing of electrical systems is essential for the correct functioning and the protecting of life and equipment in the event of faults.  The earth electrode...

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

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...

MIT OpenCourseWare, makes the materials used in teaching all MIT subjects available on the Web, free of charge, to any user in the world.

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

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

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

Some colleagues had an issue earlier in the week on sizing conduits to be cast in concrete for some power cables . It became clear that none of us had...

Here’s list of some famous scientists. Deliberately short, with the aim to provide a quick memory jog or overview. If your looking for more detailed information...