Electrical and related buildings technology
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...
Reading is a bit of a hobby of mine and I"ve done a few off-topic posts in the past on this. Rather than continue doing the occasional post I thought ...
IEC 61439 'Low-voltage switchgear and controlgear assemblies', specifies standard arrangements of switchboard (call forms of internal separation). The...
One of the requirements to ensuring that everything works is to have equipment selected, manufactured and verified [tested] to IEC standards. Not all equipment...
Many questions sent in to the site are in connection with motor starting and in particular star-delta. For all but the simplest application, there is...
‘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...
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...
Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...
The following tables provide quick order of magnitude fault levels for a a range of typical low voltage situations.
The IEC publishes a series of documents and rules governing the preparation of documents, drawings and the referencing of equipment. Depending on country...
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