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 the local Philippine environment. Several decades later and the PEC …
Resistance of a Single Earth Electrode
The resistance of a single earth can be calculated if the soil resistivity is known. An earth rod driven vertically, the electrode resistance can be calculated using the following formula. …
Arc Flash – Simplified Two-Category Clothing
The 2015 edition of NFPA 70E has a simplified approach to provide minimum PPE for electrical workers within facilities with large and diverse electrical systems. The simplified clothing categogies listed …
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 …
IEEE C37.2 – 2008 Standard Revisions
The advancement in technology have influenced the changes to the IEEE C37.2, one of the oldest IEEE standards still being used today. This standard began life as AIEE No.26 in …