A Safety Measure Taken for Granted
There is a saying that “experience is the worst teacher, test comes first before the lesson”. This is true in every aspect. In electrical engineering design, earthing or grounding is …
Concrete-Encased Earthing Electrode
Electrical Engineers may sometimes face some issues on how to implement proper earthing (grounding) on a project. This is a predicament I encountered on a water pipeline project in Sunshine …
History of Earthing / Grounding
When Thomas Alva Edison started his electric illuminating company and began the electrical distribution system, he used only one insulated (from earth) conductor and the earth for the return conductor. …
Concrete-Encased Electrodes – Grounding Electrode Permitted by the Philippine Electrical Code 2017 Edition
According to Philippine Electrical Code 2017 Section 2.50.3.3(A)(3) lists “Concrete-Encased Electrodes” as one of the types of electrodes permitted for grounding. (3) Concrete-Encased Electrode. A concrete-encased electrode shall consist of …
What is an Effective Grounding?
Effective grounding is essential to: Prevent the enclosure of an electrical equipment and its connected conductors rising to a potential dangerously above that of its surroundings or ground. If the …
Cable Shield and Outer Sheath Grounding (Earthing)
Cable shields and the metallic sheaths or armors need to be solidly grounded on at least one point in order to operate at or near ground potential at all times. …