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 …
Conductor Stranding – IEEE vs IEC Standards
Important Notes: A conductor size expressed in mm² shall be IEC standard and sizes in AWG or kcmil shall be IEEE standard. PEC standard conductors are similar to IEEE standards …
International Standards as PEC Alternatives in Electrical Installation in the Philippines
Is it possible to use International Standards such as IEC 60364 and NFPA 70 for electrical installations in the Philippines? International Standards such as IEC 60364 and NFPA 70 are …
Electrical Protective Devices and Their Applications
Deciding on what protective devices need to be used in an application is a difficult task unless you are doing electrical protection as your profession. An appendix of this standard …
Insulation Coordination – Why is it required?
What is insulation coordination and what is its importance? There are many definitions of insulation coordination provided by different authorities. In this instance, we wanted to use IEC 60071-1 definition …
Compliance to Standards is not necessarily compliance to Legislations
I did mention in one of my articles, Safety In Design, that compliance shall be in the following order Acts / Laws Regulations Codes of Practice Standards Industry Standards I …