Home Tweakers' Asylum

Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: My recent experience along these lines (ooh, bad pun)

80.138.15.71

Now you provided another entrance for lightning surges / spikes to enter your ac set up. Multiple grounding rods is not a good idea. When lightning strikes the ground it sends a magnetic field thousands of feet from the strike point to your ac ground. The magnetic field travels up the ac ground bypassing your service panel circuit breaker and enters your a/v system and anything else you have plugged into the wall. Keep in mind your neutral and ground are tied together in the service panel. This connection splits the magnetic field and now it travels up both conductors to your ac outlets. Multiple grounding rods just provide multiple entrances into your house.

Alan


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