Audiophile-grade ground rod?

I’m wondering what true audiophile rod made from OCC copper would cost and would it provide better sonic,s . I bet it would ,

It wouldn’t do a darn thing...

The earth does not possess some magical mystical power that sucks nasties from audio equipment.


Grounding Myths

"Electromagnetic Compatibility Engineering" by Henry Ott

3.1.7 Grounding Myths

More myths exist relating to the field of grounding than any other area of electrical engineering. The more common of these are as follows:

1. The earth is a low-impedance path for ground current. False, the impedance of the earth is orders of magnitude greater than the impedance of a copper conductor.

2. The earth is an equipotential. False, this is clearly not true by the result of (1 above).

3. The impedance of a conductor is determined by its resistance. False, what happened to the concept of inductive reactance?

4. To operate with low noise, a circuit or system must be connected to an earth ground. False, because airplanes, satellites, cars and battery powered laptop computers all operate fine without a ground connection. As a matter of fact, an earth ground is more likely to be the cause of noise problems. More electronic system noise problems are resolved by removing (or isolating) a circuit from earth ground than by connecting it to earth ground.

5. To reduce noise, an electronic system should be connected to a separate “quiet ground” by using a separate, isolated ground rod. False, in addition to being untrue, this approach is dangerous and violates the requirements of the NEC (electrical code/rules).

6. An earth ground is unidirectional, with current only flowing into the ground. False, because current must flow in loops, any current that flows into the ground must also flow out of the ground somewhere else.

7. An isolated AC power receptacle is not grounded. False, the term “isolated” refers only to the method by which a receptacle is grounded, not if it is grounded.

8. A system designer can name ground conductors by the type of the current that they should carry (i.e., signal, power, lightning, digital, analog, quiet, noisy, etc.), and the electrons will comply and only flow in the appropriately designated conductors. Obviously false."

Henry W. Ott

Who is Henry Ott?
http://www.hottconsultants.com/bio.html

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@jea48
2 rods tied to the panel’s ground buss bar and 6’ apart, correct?

What’s the advantage of using 2 rods on a simple residential service panel?
(I have two ground rods due to having a subpanel).

Honestly, my first post ought to have been sufficiently sarcastic enough to let the OP know he's on a fool's errand. Do we really need to keep hammering on it? Audiophiles. I guess we do. As you were then.

The electrician installed 2 ground rods 6 feet apart when I needed to have a new panel box to replace my old one , it's now code where I live. 

@jea48
2 rods tied to the panel’s ground buss bar and 6’ apart, correct?

@lowrider57 ,

I assume you are referring to the earth grounding for an electrical service.
"The Grounding Electrode System".

6’ apart is the minimum distance required by NEC. The ground rods can be, and is better, if they are at least the length of the rods apart. (8’ rod, 8’ apart). As I remember, Just going from memory, IEEE recommends the ground rods should be twice the length of the rod apart. (8’ rod 16’ apart).

So why don’t electricians install the rods farther apart? Because they only have to follow the NEC and the AHJ (Authority Having Jurisdiction). FWIW, NEC is bare minimum electrical safety standards, requirements.
Time = money. The further the rods are driven apart from one another the more hand digging to bury the #6 solid bare copper ground wire that will connect the rods together. Add to the labor cost is the additional cost of the longer #6 solid copper ground wire. Why do electricians use 5/8" x 8’ ground rods? Because that is the minimum diameter and length required by the NEC.

FWIW, for my electrical service I drove three 5/8" x 10’ ground rods about 15’ apart from one another. I used #4 solid copper ground wire instead of the minimum NEC required #6.

What’s the advantage of using 2 rods on a simple residential service panel?

The NEC only requires one ground rod IF it has a rod to soil resistance of 25 ohms or less. So the electrician drives one ground rod. The electrician calls for an inspection. The inspector sees there is only one ground rod. The inspector asks the electrician to see the certified resistance test report proving the ground rod to soil resistance is 25 ohms or less... It’s cheaper just to install the second ground rod. Funny thing, if only one rod is installed and a rod to soil resistance test was done, and the resistance was say 100 ohms all that needs to be done is to drive another ground rod. No further testing is required by NEC.

The main reason for connecting the electrical service equipment and service neutral conductor to earth is for lightning protection. The lower the ground rod , (Grounding Electrode System), to soil resistance the better. IEEE recommends for commercial and industrial electrical services 5 ohms or less.


Earth-Resistance-Ground-Testing-Weschler.pdf

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