Rods do have their virtue for getting to deeper soil and being easily thumped in if the soil's helpful. In areas with shallow soil or other things sharing the ground, the buried disc or whatever has its own virtues. My only purpose with this post is to show an impressive and cautionary picture that I couldn't find during discussion some months ago of the added dangers caused by EV-charger earth-rods. I found it again, but still don't remember its source: a conference paper about 10 years ago, I think, about detecting cable damage. It seems to be Singapore in the picture. People know to check with utilities before big excavations, but perhaps that wasn't considered for this bus-shelter rod (to improve the situation with lightning, or make the shelter firmer?). A couple of inches further...
Rods do have their virtue for getting to deeper soil and being easily thumped in if the soil's helpful. In areas with shallow soil or other things sharing the ground, the buried disc or whatever has its own virtues. My only purpose with this post is to show an impressive and cautionary picture that I couldn't find during discussion some months ago of the added dangers caused by EV-charger earth-rods. I found it again, but still don't remember its source: a conference paper about 10 years ago, I think, about detecting cable damage. It seems to be Singapore in the picture. People know to check with utilities before big excavations, but perhaps that wasn't considered for this bus-shelter rod (to improve the situation with lightning, or make the shelter firmer?). A couple of inches further...
