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

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

It's been a busy few months on different projects or busy couple of decades depending on how I look at it. I can say that on the odd (frequent) occasion...

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

A quick post in connection with an email question: Live Tank - the circuit breaker the switching unit is located in an insulator bushing which is live...

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

The new standard IEC 61439 replaces the old 60439. Compared to the old standard, the new 61439 is a more clearly defined and takes into account the assembly...

The robot folding towels post below was interesting enough at the time to post a link.  Recently I’ve come across a couple of other interesting videos...

A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...

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