Electrical equipment grounding for a power system can be classified according to functions: working grounding, lightning protection grounding, protective grounding, and instrumentation and control equipment grounding. Working Grounding This is …
Required Protective Clothing The Philippine Electrical Code 2017 Edition requires switchboards, panelboards, motor control centers, and other equipment in locations other than dwelling units to be individually field marked with …
Philippine Electrical Code 2017 Edition – Requirements Effective January 1, 2019, the Philippine Electrical Code 2017 Edition, requires PV systems to be provided with a rapid shutdown for the safety …
Definition of Terms The Philippine Electrical Code has provided the definitions. Dwelling Unit A single unit, providing complete and independent living facilities for one or more persons, including permanent provisions …
The Philippine Electrical Code defines Selective Coordination as “Localization of an overcurrent condition to restrict outages to the circuit or equipment affected, accomplished by the choice of overcurrent protective devices …
The IEEE Green book Std, 142-2007, IEEE Recommended Practice for Grounding of Industrial and Commercial Power Systems defines transferred earth potential as the voltage to earth of grounding systems that …