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DIY_HD · 09-30-2017, 02:54 AM

Well I'm glad I can provide you with some entertainment. Still, I cannot find anything that is grounded separately from the electrical panel. I will keep looking, since it appears that there may be another pathway to ground. While we don't use a land line, the telephone network interface is connected directly to the 3 AWG copper wire. We don't have cable, but I'll have to disconnect these to see if they are grounded separately. Internet is fiber optic - no problem there. Water line is plastic coming into the house and then gets fitted to copper, but the 3 AWG wire runs the length of the basement to the Pressure Reducing Valve to ensure that both sides of the valve are grounded (bridged). The air conditioner is on a plastic pad and has no ground wire, just the control cable. Now the steel gas line goes to the meter which is supported by a steel angle iron that goes into the ground as well as the steel pipe itself. But this is like 4 inches away from the second ground rod.

The length of the wire from the panel to the ground rod is about 25 feet. The National Electrical Code says this wire should have no more than 25 Ohms. By your calculations, it's 120 Ohms. So do I disconnect the ground wire from the ground rods and short something to see if anything fries? Am I having fun yet? Almost...

09-30-2017, 02:54 AM	#27
DIY_HD Active Member Member since:Jun 2008 Location:Atlanta, GA Home Theater Gallery:21 4K collection:4 Blu-ray collection:88 DVD collection:126 Blu-ray reviews:2	Well I'm glad I can provide you with some entertainment. Still, I cannot find anything that is grounded separately from the electrical panel. I will keep looking, since it appears that there may be another pathway to ground. While we don't use a land line, the telephone network interface is connected directly to the 3 AWG copper wire. We don't have cable, but I'll have to disconnect these to see if they are grounded separately. Internet is fiber optic - no problem there. Water line is plastic coming into the house and then gets fitted to copper, but the 3 AWG wire runs the length of the basement to the Pressure Reducing Valve to ensure that both sides of the valve are grounded (bridged). The air conditioner is on a plastic pad and has no ground wire, just the control cable. Now the steel gas line goes to the meter which is supported by a steel angle iron that goes into the ground as well as the steel pipe itself. But this is like 4 inches away from the second ground rod. The length of the wire from the panel to the ground rod is about 25 feet. The National Electrical Code says this wire should have no more than 25 Ohms. By your calculations, it's 120 Ohms. So do I disconnect the ground wire from the ground rods and short something to see if anything fries? Am I having fun yet? Almost...

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