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 …
In Philippine Electrical Code 2009 edition, the requirement for a service disconnecting means are only for
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 …
Electrical Engineers must ensure when designing generator systems that generators and the electrical loads are appropriate for the particular application. Standby power for health care facilities or prime power for …
Low-voltage circuit breakers interrupting capacity ratings and short-time current ratings define different circuit breaker performance characteristics. Electrical Engineers use these ratings to select the protective device ratings to suit their …
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 …