National Fire Prevention Association
In the field of electrical engineering, the terms Code and Standard are frequently used—often interchangeably by those unfamiliar with their precise roles. However, understanding the difference between these two is …
What is a Statutory Law? What do NFPA 70, BS 7671 and AS/NZS 3000 have in common? The former is National Electrical Code (U.S.), the next is the wing regulation …
What is Arc-Flash? Arc-Flash is a type of electrical explosion that occurs when an electrical current leaves its intended path and travels through the air from one conductor to another …
Introduction The PEC 2017 is a localized version of the NEC 2017. However, not all provisions in the NEC 2017 has been included in the PEC 2017. One provision, Section …
Rolling Sphere Method The Rolling Sphere Method is a popular and acceptable method of implementing lighting protection on structures. In the Philippine Electrical Code, the rolling sphere method is mentioned …