Cable insulation is used to provide electrical separation between conductors of  a cable.  During the historical development of cables, numerous types...

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

Alternating current (a.c.) is the backbone of modern electrical power distribution. In this article I’ll be pulling some of the more important concepts...

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...

In electrical engineering, Network Theory is the study of how to solve circuit problems. By analyzing circuits, the engineer looks to determine the various...

Request to look at induction motor starting time have come up a few times on the site. Hopefully in this post, I give you guys some idea on how to calculate...

Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...

Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...

Variable frequency drives are widely used to control the speed of ac motors.  This note looks at the mechanisms which enable drive units to control the...

When current flows within a wire, a magnetic field is created. The potion of this magnetic field perpendicular to the wire is called the magnetic flux...