IEC 60076-5 Transformer Impedances
IEC 60076-5:2000 Power transformers – Part 5: Ability to withstand short circuit recommends a minimum impedance for transformers. Unlike other standards such as the IEEE or AS which recommends typical …
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 …
Grounded or Grounding Conductors
The NEC and PEC define and identify grounded conductor and grounding conductor differently. To understand better, here are the definitions on these electrical codes: Definitions: Grounded Conductor. A system or …
PEC, NEC, IEC Grounded/Earthed Conductors
If you have been working with IEC standards or its derivative standards like the AS, it will be strange for you to learn that NEC and a derivative standard like …
PEC Enforcement – Alternative Methods
Is it possible to use International Standards such as IEC 60364 and NFPA 70 in the Philippines? In Clause 1.0.1.4.a of the PEC Edition 2009 states that, (c) The authority …
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 …