IEC 61439-1 Minimum Size for PE, PEN Conductors
Background In 2010, the new standard IEC 61439 series was published to replace the IEC 60439 series. The purpose of the IEC 61439 series of standards is to harmonize as …
Identification of Conductors And Terminals – IEC 60445
The IEC Standard 60445 – Basic and safety principles for man-machine interface, marking and identification – Identification of equipment terminals, conductor terminations and conductors published in August 2010 is a …
IEC vs AS
The project is located in South East Asia where IEC standards are acceptable thus detailed design calls up for IEC standards. I don’t really know if this country accepts standards …
Electric Motors Missing
The predicament of taking over a project is knowing the history of project in every aspect. At one time, I was asked to procure electric motors for a 100+ units …
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 …
IEC 62305 – Protection against lightning
Lightning is a very high-energy phenomenon. Lightning protection is often times taken for granted as the probability of a lightning strike to a structure is low, damage to properties and …