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 inventor of the first visible light-emitting diode makes history again this year as it begins to show customers a 40-watt replacement GE Energy Smart...

Have an opinion or something to say, want to ask or answer questions, share your knowledge then use our site to do it . As a community of people interested...

Visitors who like to type web address rather then click menus may be interested in how our URL structure works.

Over the past year or so I've been involved in on going discussions related to referring fault levels from the secondary of a transformer to the primary...

Working in the vicinity of electrical equipment poses an hazard. In addition to electric shock hazard, fault currents passing through air causes Arc Flash...

Straight forward list of some common motor faults.  If I have missed any other common faults, please take a bit of time to add them in as a comment below...

The (relatively new) switchgear and control gear standard, IEC 61439 'Low-voltage switchgear and controlgear assemblies' has three methods which can be...

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...

We have had the Wiki with us for a long time now, but at last I have decided to say bye bye – more details on why below.