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...

Insulation on a motor prevents interconnection of windings and the winding to earth.  When looking at motors, it is important to understand how the insulation...

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

Multimeters are undoubtedly the most common item of electrical test equipment in use.  Often it is the first piece of equipment people will turn to when...

If you are working on a large plan, get the real coordinates [latitude, longitude] for two or more points and add them to the drawing. That way you can...

Induction motors are frequently used in both industrial and domestic applications.  Within the induction motor, an electrical current in the rotor is induced...

Years ago I was told that you should always try to write the best report you can.  Many years later I still think on this as one of the better pieces of...

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...

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

I was digging in my bookshelf and came across the 80th Anniversary Association of Mine Resident Engineers, Papers and Discussions Commemorative Edition...