Electric motors are one of the most widely used items of electrical equipment. Improving motor efficiency benefits include, reduced power demand, lower...

The standard aims to consolidate AC and traction voltages within the industry and defines the following bands: band 1 - A.C. systems 100 V to 1...

Current transformers (CTs) are used to convert high level currents to a smaller more reasonable level for use as inputs to protection relays and metering...

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

Circuit breakers are switching devices whose primary function is to isolate parts of an electrical distribution system in the even of abnormal conditions...

For the past few years I have reading eBooks on my HTC touch phone. On and off I have debated buying an eReader and recently purchased a Sony PRS-300 ...

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...

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

Motor starting and its associated problems are well-known to many people who have worked on large industrial processes. However, these things are, of course...

This is the second post in a series of two on periodic electrical inspections. In the first post, I discussed how often inspections should be carried out...