This issue of "Solid Ground" talks about ground fault circuit interrupters (GFCIs), why they are necessary, and how to troubleshoot GFCI-protected circuits.
This issue of "Solid Ground" talks about ground fault circuit interrupters (GFCIs), why they are necessary, and how to troubleshoot GFCI-protected circuits.
Earth ground testing definitions and methods: grounding and bonding, purpose of the earth ground, Fall of Potential test, stakeless ground testing
Expert, Chuck Newcombe, revisits techniques from 1963 for testing the electrical bonds in a grounding system and compares them with today's tools and methods.
All mine sites have grounded electrical systems, so that in the event of a lightning strike or utility overvoltage or ground fault, the current would be able to find a safe path to earth or the neutral of the transformer.
Reassessing airport tower lightning protection systems with checklist for ensuring reliable lightning protection, with aid of ground resistance