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Makes perfect sense. I will test this tonight and let you know. Thanks again Dan!

I will definitely try this. That extra green wire is stranded versus solid. Will that matter or not as long as it is at least #8 AWG?

Just an update while I'm waiting to get a recommended pool electrician out. I decided to disconnect my pump and SWCG from the bare copper wire coming out of the ground at the equipment pad just to see what kind of readings I would get from the analog multimeter. I got the exact same readings...

Well, did a little more testing this evening and I'm not sure what to make of it other than, as almost everyone has said, the bonding wire. I tested the VAC reading between the water and the ladder and of course, there was no reading on either railing or the concrete between the railings. As I...

Thank you Dan! This actually makes perfect sense. Given the fact that when I would disconnect the ground wires from the ground bar in the sub-panel for the pool light and pump I would read no VAC difference on the analog multimeter, I started to wonder if the voltage on the main ground wire...

That is what I was thinking I would have to do originally so I'll definitely be posting about the outcomes.

Thank you Tim. I'm praying that it has to do with something other than the bonding wire. Fingers are crossed.

What is the accuracy of the last paragraph in this article which is below? Pool Bonding 101: Why Handrails, Coping, and Water Could Shock You. I feel like this could potentially be my problem since the ground wire coming from the main panel is feeding electricity back to the sub-panel when I...

Yes sir. There is a #8 copper wire coming out at the equipment pad that is attached to the pump via the bonding lug. I even took some sand paper and cleaned up the wire so that they were both bright and shiny at the split bolt connection. I've already got a call into a pool company to see...

My concern too. I'm probing the ground wire at the sub-panel directly to the ground wire coming from the main panel that is coming through the conduit. Yes, at the ground bar and on the ground wire itself (a little bit is showing) while it is connected normally. I believe it is bonded...

Okay so I did a little more testing and before I call out an electrician who may have no idea what to test (since he did install a ground rod and connected a #6 stranded cable to the neutral bus in the sub-panel and tied the bonding wire to it), I want to make sure I don't end up with another...

Thank you everyone for the help! I am going to get an electrician out here again to look into this issue. I have only one more general question. If the bonding grid/wire is in tact, should it prevent something like this from happening?

Thank you Tim. One last question I think. If I were to disconnect the sub panel while the kids play in the pool, would this be an issue since I've determined the bonding grid is not the culprit?

Daggum it! I connected the grounding rod to the ground bar in the sub panel and re-tested. Still seeing a small VAC reading (between 0.2 - 0.4). Connected the bonding wire to the ground rod as well just for kicks and giggles. Still seeing a small VAC reading (between 0.2 - 0.4). Anybody...

Thank you sir. The ground rod was not there last year and we didn't have this problem but I'm thinking back on a thread where dloki mentioned the generator. I looked at my records and noticed that the generator was installed AFTER we closed the pool last year so I'm starting to wonder if...

Last question... for now I think. If the main hot wires at the sub panel are turned off at the main panel by the breaker and the neutral wire is disconnected from the sub panel, should there be any voltage on the ground wire coming from the main panel? Is that a potential wiring fault?

Will do! I need to get an adapter first because the electrician used #6 AWG wiring but the ground bar in the sub-panel looks like it only supports up to #10. Could this second ground rod be causing that little bit of extra voltage or is there a wiring issue with the ground since removing the...

Yes, I was not successful in digging it up. That sucker is in there good. If the main ground rod is anywhere near my main panels in the garage then it is about 150'. No, they are not connected together because that second ground rod was installed by the electrician about a week ago and no new...

Huzzah! I may have found the problem and need to know what the fix could be. I turned the breaker off at the main panel in the garage, unhooked all hot wires from the breaker switches at the pool panel, unhooked the neutral coming from the main panel to the pool panel and ran a test. I was...

Okay, so I disconnected the light in the pool completely and am still getting the same VAC reading. However, if the bonding grid is completely intact and working properly then there should never be a reading. Is that correct? Is it possible to have everything bonded properly but still see VAC...

Okay, so this is where I stand. Finally finished cleaning the railing cups in the shallow end. Now, everything is clean with good tight connections on the visible part. I even cleaned the copper at the equipment pad as well as the split bolts and put them back together (SWCG and pump are now...

Funny enough, I too have a Generac ATS. However, my pool panel is not hooked up to the generator and when I switched it to off and killed the power, it never switched over. I think this is where the residual voltage is originating. I need to measure how far from the pool wall it is but we had...

How would I go about testing that? When I turned off the main breaker panels, I turned the generator to the off position so that it would not kick on. Is there another way to test? Also, what is the distance from the edge of the pool out before a copper wire/grid is no longer required for...

They do. I cleaned them up really well because they were bronze after I cleaned all the white corrosion. I tightened them down pretty good so much so that I might have bent the ladder in the socket slightly. Since this post, I cleaned up 2 of the 4 shallow end railing cups and it seems to...

Yikes! That is quite the fix. Question for anyone else who may be online or knows the answer. Cleaning the deep end ladder cups and ladder itself significantly reduced the voltage. It went from 1.4 to less than 0.4 when reading from the water to the wet concrete. To non-wet concrete, it...

Thank you yet again dloki! I wish you lived in Maryland. I do not know if you are a pool builder or not but I would trust you to fix mine!

Thank you again dloki. I'll be cleaning up those cups for the railings and the ladder today and will let you know what happens. Another question for anyone. If the light that is in the pool is bonded properly to the wire/grid, would that bond the pool water too?

This is perfect. Thank you dloki. How do you suggest I clean out the metal cups? Scruff pad or get a stiff wire disk and use a drill to clean out well?

Thank you dloki! I noticed that those copper wires are not bare. Will that pose a problem?

Thank you @dloki. I know that the new rebar added to the new pool deck was NOT bonded (i.e. no copper wire was secured to it and run back to the copper wire at the equipment pad). I have noticed that with the ladder out of the water, the current between pool water and wet concrete is stronger...