Lead acid batteries are cost effect and reliable, making them suitable for many applications.This note examines topics of interest associated with the...

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...

When sizing cables nearly, everyone uses some form of software. This ranges from homespun spreadsheets to complex network analyses software. Each has its...

We have a sister note to this (Robots - Interesting Video), in which I have posted some videos of interesting robots developed by commercial corporations...

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...

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

Capacitors are widely used in electrical engineering for functions such as energy storage, power factor correction, voltage compensation and many others...

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...

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...

When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...