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 …
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 …
Rural Electrification Program Republic Act NO. 10531 mandated the National Electrification Administration to promote sustainable development of the country through rural electrification program and to empower the electric cooperative to …
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 …
Cable Selection Parameters The normal practice for determining the size of cables is using a continuous current operation. In this case, the cable sizing will be straightforward. What if the …
Introduction Materials for protection against lightning shall be properly selected by the Electrical Engineer. The Philippine Electrical Code 2017 edition categorizes materials for protection against lightning as Class I and …