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You are also right about the tivo series, it did not have a 3 prong cord. Therefore, it would not make sense to put a grounding screw on the back This discussion about grounding has triggered a nice business idea..........

That is not what I am talking about. Of course they had a 3 prong cord for all of their receivers. But their use to be a metal screw with a grounding symbol on the back of the old IRD. It was not like the machine screws that held the IRD case together. Not to hijack the thread. If the...

I found the article today and it confirms what I have been saying. Grounding bleeds static energy thereby reducing voltage spikes to your expensive HD equipment. However, I underestimated the impact of nearby lightning strikes as the articles mentions the likely damage to building wires and...

I don't know about static buildup, I am not an electrician. Maybe an expert could chime in on what grounding exactly does. I know an electric strike produces gigawatts of power. A good size electric power station produces a few hundred megawatt to power cities. Every wire has a load on...

The grounding wire is used to protect the equipment only from nearby electrical storms and not "funnel the energy into the ground" A direct lightning strike has enough energy to power cities. No 12 or 14 gauge wire will direct that amount of energy into the ground. If a wire is overloaded, it...