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 …
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 …
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 …
Despite the advancement of re-settable circuit protection devices, fuses are here to stay. In some applications, fuses are irreplaceable particularly in high current limiting or fast fault-current interruption applications. Fuses …
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 …