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So a dishwasher is on a plug-in protector? How did you protect each GFCI? Smoke detectors must be hardwired - not plugged in. What protected them? What protected the furnace? Many of these items...

Many know only what others have told them to believe. Lightning rods do not discharge air. That was roundly exposed even in famous lawsuits where Heary Bros tried to strongarm the NFPA (authors of...

Appliance protection is confused with structure protection. Had a chimney been protected by a lightning rod or had been properly earthed, then no surge current was inside hunting for earth...

If not yet obvious, its all about the quality of and connection to earth ground. Too many concentrate on the magic box when that connection to and quality of earth ground is far more important.
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BBC would often note this in reports on FL hurricane damage. Americans still put wires overhead.

Underground wires mean failures only occur randomly and less often. Not all at once.

However...

First, power interruptions are completely different from surges. View some numbers. Protectors do nothing until 120 volts well exceeds a let-through voltage: 330 volts. Does power restoration...

That same solution costs about $1 per protected appliance. Protects are dirt cheap. Quality of protection is defined by something completely different - what is in that dirt.

Power loss does not damage any hardware. Power loss is a threat to unsaved data (and unfinished projects). This was well established by international design standards long before PCs existed. One...

Put numbers to that belief. Output of this 120 volt pure sine wave UPS is a 200 volt square wave with a spike of up to 270 volts. Yes, that is a pure sine wave output. Square waves and spikes are...

Little relationship exists between price and effectiveness. This thread is a perfect example. Where is one recommendation based in science or specification numbers. Every recommendation only says,...

Never locate those batteries in an unventilated area (ie in a communication closet). Those batteries must be well ventilated to avert an explosion created by outgassing.

If that one item needs protection, then everything needs that protection. What most needs protection if a surge exists? Smoke detectors. Do you also unplug a refrigerator, furnace, air...

But copper is a 4 mm thick conductor. Earth is a many meters thick conductor. Don't ignore those numbers.

Soil is not being used for what copper is being used. Copper is being used for...

Again, that lower resistance in the 175 foot safety ground is essential for human protection. Meanwhile earth ground is doing addition human protection. AND is essential for doing equipment...

Even concrete and linoleum tile can be a good conductors. But the word 'good' is subjective. Long before asking what is and is not a good conductor, one must first define parameters for that...

I don't know where I said that. However, earthing equipment can make that equipment a best (lightning) connection from cloud to earth; making appliance damage more likely. Transient protection is...

Grounding serves many purposes. Posted were important facts mixed with a number of rumors - especially some based in experience without also understanding the many relevant functions.

First some...

A perfect example of why recommendations must be preceded by first learning how it works. And why changing things before identifying a problem can even exponentially complicate matters.

PSU only...

Others noted what that solution did. But did not say why.

An effective protector does not do protection. It only connects to what does that protection. A sub panel typically does not have an earth...

Did you read your 'link'? The IEEE in that guide (and elsewhere) says why proper earthing and a 'whole house' protector is necessary. Page 33 figure 8. A protector can cause damage to any nearby...

First, why spend $500? These things had been selling in Lowes and Home Depot for less than $40. Prices have increased since then. Maximum price is typically $200.

Second, install protection...

Words protector and protection describe different items. Similar words describe different concepts and items. No protector does protection. But a properly earthed 'whole house' protector, when...

That explains why your town is without phone service for four days after every thunderstorm. That CO, connected to every building in town, suffers about 100 surges with each storm. It takes 4 days...

Start with what was introduced in elementary school science.

Lightning seeks earth ground. A path for a 20,000 amp electric surge is via a wooden church steeple destructively to earth. Wood is...

Does not matter if an entering 800 foot wire is overhead or underground. It must have a low impedance connection to earth ground (not electrical system safety ground) where it enters the house.

A...