An indoor 13.8kV Vacuum Circuit Breaker switchgear has an arc flash incident this week. Investigation results showed that the wet weather increased the humidity inside the switchroom, incomplete covering of …
To ground or not to ground is a decision that an Electrical Engineer needs to make when planning or modifying an electrical power distribution system. The decision is dependent on …
Grounding is one of the most taken for granted provision of the Philippine Electrical Code. The incompetence of Electrical Inspectors make this practice worst. I inspected the grounding system of …