Before installing an electrical earthing system design, there are a couple of other essential tasks to tackle. One of these tasks is the ‘Soil Resistivity Desktop Study.’ This study illustrated in the Soil Resistivity Table below.
Historically installation companies may have offered to drive a single earth rod into the ground and take a range of readings from it at various depths as it is driven deeper. This approached is now considered totally unacceptable for anything other than the most basic of designs, e.g. a generator earth. [Read more…] about What Exactly is a Soil Resistivity Desktop Study?