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

I've recently come across this question a couple times browsing the internet. Decided to give a quick answer here. A rectifier transformer is a transformer...

I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...

The following tables provide quick order of magnitude fault levels for a a range of typical low voltage situations.

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...

Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...

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...

Circuit breakers are switching devices whose primary function is to isolate parts of an electrical distribution system in the even of abnormal conditions...

This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.

HTML supports a variety of entity symbols which can be entered using either numbers or an entity name.  The number or name is preceded by the ‘&’ sign...