Resistance of Earth Electrodes in Parallel
In previous articles Single Earth Electrode and Earthing Resistance Calculation, I have presented methods of calculating the earth resistance using IEEE or IEC methods. AS 1768 Appendix C recommends that …
IEC 60364-56 Safety Services (Emergency Systems)
Safety service is defined in IEC 60364-56 as an electrical system for electrical equipment provided to protect or warn persons in the event of a hazard, or essential to their …
Geographic Locations Electrical Installation Differences
This is not a catch phrase nor something about racism. This is about the differences of electrical installation practices or methodologies. This is about different geographic locations, different acceptable codes …
IEC 62262 – IK Codes for Electrical Enclosures
IEC 60529 – Degrees of protection provided by enclosures (IP Code) describes a system for classifying the degrees of protection provided by the enclosures of electrical equipment. The protection provided …
Why The PEC Needs to Adapt IEC
The first edition of the PEC published in 1962 by PAMEE was an adaptation of the NEC customized to suit local Philippine environment. Several decades later and the PEC is …
Conductor Stranding – IEEE vs IEC Standards
Note: A conductor size expressed in mm² shall be IEC standard and sizes in AWG or kcmil shall be IEEE standard. I. Introduction Conductors may be either solid or stranded. …