Electrical and related buildings technology
Fire resistant and fire retardant cable sheaths are design to resist combustion and limit the propagation of flames. Low smokes cables have a sheath designed...
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GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:
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...
Fault calculations are one of the most common types of calculation carried out during the design and analysis of electrical systems. These calculations...
In a previous article I looked at the dc resistance of conductors and in this article we turn our attention to ac resistance. If you have not read the...
It wasn't so long ago I was telling someone that I don't use rules of thumb as most things are easily calculated anyhow. As it turns out I last week...
Electrical engineering is a field that covers a wide variety of sub-fields, including electricity and electronics. It is a field that goes back to the...
The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal of...
Power cables can basically be classified into earthed and unearthed cables, where earthed and unearthed refer to the application for which the cable is...
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