myElectrical Tools

This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

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

I think this post is going to be helpful to several of our readers. While the IEC low voltage circuit breaker Standard [IEC 60947-2, Low voltage switchgear...

Exposure to time varying magnetic fields, from power frequencies to the gigahertz range can have harmful consequences.  A lot of research has been conducted...

IEC 60287 "Calculation of the continuous current rating of cables (100% load factor)" is the International Standard which defines the procedures and equations...

How often installations are inspected is up to the owner of the installation, provided such durations do not exceed any regulatory maximums in force. ...

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...

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

From the earliest times, humans have found ways to create light. Pre-historic peoples used natural materials (moss, grass, etc.) soaked in animal fat and...

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