You may want to change all that after learning some facts.
It is not any ground. Which ground? Virtual ground, motherboard ground, safety ground, chassis ground, floating ground, ground beneath a utility transformer, analog ground, or a water pipe? None of those are relevant. A protector is only as effective as the quality of and low impedance (ie less than 10 foot) connection to earth ground.
Worse, a protector adjacent to appliances can even make surge damage easier. It can earth a surge destructively through adjacent appliances. An IEEE brochure even demonstrated this with numbers. A protector inside one room earthed a surge 8000 volts destructively via a TV in the next room.
Effective protection only does what Franklin demonstrated over 250 years ago. For example, lightning finds earth ground destructively via a church steeple. Franklin's lightning rod connected lightning to earth on a harmless path that remained outside the structure. Then no damage.
Lightning finds earth ground destructively via household appliances. An informed homeowner's 'whole house' protector connects lighting to earth on a harmless path that remains outside the structure and away from appliances. Then no damage.
That is how it was done over 100 years ago. And why a direct lightning strike in every town causes no damage.
No lightning rod or 'whole house' protector does protection. Not one. Both are only as effective as its connection to and quality of earth ground. How to make that rod or protector better? Upgrade the earthing.
But advertising cannot generate obscene profits by teaching reality. So most foolishly believe some magic plug-in box does surge protection. Anyone can learn of the science. Anyone can read the near zero joule specification numbers for a protector. Most ignore all to recommend a scam.
Best solution (to protect a structure or appliances) will always answer this question. Always. Where do hundreds of thousands of joules harmlessly dissipate? A protector (or lightning rod) is only as effective as its earth ground.
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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