Introduction to Harmonics

Technology advancement has its pros and cons. Computers increase the efficiency of doing everyday office jobs. Most companies now has the policy of paperless office which is good for the …

Cathodic Protection and Earthing

Cathodic protection and earthing are two different topics belonging to the opposite sides of the spectrum. The implementation and principles are actually different. To simply illustrate what I mean, for …

Arc-Flash Hazards

An arc-flash is a release of energy caused by a flow of fault current through an electrical arc plasma. Arc flashes can occur when racking a breaker in/out, removing a …

I Chose To Look The Other Way

I just have my workshop about safety. It was truly a very interesting activity about hazards, risks and elimination or mitigation thereof. What caught my attention most was a video …

Protection Against Indirect Contact

IEC 60364-4-41 Electrical installations of buildings – Part 4-41: Protection for safety – Protection against electric shock has provided several measures of protection against indirect contact listed as follows: Automatic …