Protection Against Electric Shock
Electric Shock Electric shock is defined as a dangerous physiological effect resulting from the passage of electric current through a human body or livestock. A useful reference document is British …
Arc-Fault Circuit Interrupter – NEC 2017 Provision Missing in PEC 2017
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 …
Branch Circuit Maximum Loads according to Philippine Electrical Code 2017 Edition
The Philippine Electrical Code has specific provisions on the total load of a branch circuit that is required to be complied in any electrical installation. Section 2.20.2.9 is specific on …
A Brief History of Electrical Power Systems
Electric power has a great influence on industry and contributes to the welfare, progress, and technological advances of humanity. The growth of the world’s electric energy consumption truly remarkable. In …
IEC Standard Voltages
In North America and in the Philippines, the standard system voltages are specified in ANSI C84.1. For Europe and the rest of the world, the standard system voltages are specified …
Identification of Grounded Conductors – Philippine Electrical Code 2017 Edition
Article 2.0 Use and Identification of Grounded Conductors in the Philippine Electrical Code 2017 Edition has been expanded to cover sections not included in PEC 2009. The “Fine Print Note” …