Don't have a GFCI outlet? Get one! Almost died!

Perfect explanation! Appreciate the response a bunch! Have a great weekend!
Glad to help. And feel free to PM me if you have any other electrical questions. Just don't come to me for aquarium related questions, I'm still very much in the learning mode myself.

Have a great weekend, too! And go visit Saratoga Springs for me, I miss it there!
 
Haha I got to just before my wrist, you can see in my picture where the deepest cut is. The area half way between my wrist and thumb socket. It happened so quick I'm most likely missing some details during the time I was getting electrocuted. But I put my right hand in like any other person would have, I lose all control of my body and stiffen up like a board. After I stiffen up straighten up like a board the last thing I remember is feeling the strongest muscle contraction in my right calf and foot. Then I blacked out because the next thing I remember is the split second before I land on my right shoulder smacking my head on the tile and thinking why in the heck is my and bleeding in 4 different spots and why is my left bicep burning like I touched a hot pot that's been on the stove. Idk if this helps buts the cuts go from my thumb joint all the way up past my wrist and seem to be just about equally spaced apart. Maybe you can shine some light on the situation which would be greatly appreciated because you clearly know more then I do lol
Technically you were not electrocuted. That means you would have died. You experienced a shock. Glad to hear it wasn't any worse than that. Would a titanium grounding rod have helped here?
 
I want to apologize for the misleading information on where there current goes. I was wrong. It goes nowhere, power is consumed/ used and that's it. There is no current return on the neutral. Sorry.
 
Well my tank almost killed me last night. First I'll start off by saying when I first had a dedicated breaker and outlets run to my fish room months ago. I specifically asked the electrician to install a GFCI/AFCI breaker so I didn't have to use multiple GFCI/AFCI outlets. There must of been some sort of miscommunication obviously because he just out a regular breaker in or I wouldn't be on here talking about it.

Well last night I was putting the finishing the final touches on a new isolated tank I had installed in the fish room for nudibranch breeding. The last step was taking one of the 200W Aqeon Pro heaters out of my RO/DI holding drum and putting it in the new tank. Well unknown to me and unseen to the eye the gasket where the cord goes into the heater had become bad, so once I plugged it in I had 2.27 amps running ungrounded in the new tank. The reason I know the amps being drawn is because that's what my Archon controller told me it was drawing. Now that I look back on it I should have tested the water with a multimeter to be safe but at this point I thought I had the proper breaker installed.

In the time between me plugging the heater in and give the tank a final look over. The air stone in the tank had become dislodged and was floating at the surface. So not thinking anything about the heater the moment I stuck my hand in the water considering ohm's law I had to of had well over 1 amp running threw my body. For those of you that don't know much about electricity 1 amp + stops your heart not mentioning all the other nasty things that type of power does like burning internal organs, bursting veins, stopping breathing etc.... Back to my story my hand is in the water and instantly I lose all control of my body. I straightened up flatter then a board. It must have looked like I got hit by a police tazer gun. Luckily I was leaning away from the tank, so when I lost control I was thrown through an open adjacent door and hit the ground faster the a sack of bricks.

The only reason I believe I'm still alive today or not in a hospital bed getting skin graphs needing new organs, is due to the fact that I had wet socks on wet carpet. This gave the electricity a path to follow which prevented it from doing severe damage elsewhere. Ok if you have gotten this far reading and still thinking this can't happen to me well I didn't come out of this without some wounds. Here's a picture for thought.

image.jpeg

This is the aftermath and I'm lucky to have only this. After I left the ground the electricity it made its way up my arm towards my watch and stopped at my bicep when my hand finally left the water. Left a nasty electrical burn.

Moral of the story....make sure for certain you have a GFCI breaker or outlet that your aquariums are plugged into it may save your life someday!! I'm certainly lucky to still have mine. Think about it this way without a GFCI safety in place your putting your life in the hands of that $10-$100 heater you bought.
You breast is purple though...
 
Glad your ok, But I hope other people don't get the bright idea of working on their systems in wet socks.
 
Glad you are okay and sorry for the painful lesson. I run two GFCI circuits for my 300 and a separate for my 40. Both also have grounding probes. Even though I work in power plants, I have a healthy respect for electricity.
 
with all the households with some type of aquarium setup in this world of ours, it is very surprising after going through this thread that there are not many more horror stories dealing with this potentially deadly hazard. I must say that I actually lost sleep last night after reading about this and the first thing I'm doing today is install a GFI receptacle and ordering a ground prob.. about the cost of one nice fish... no brainer

Can't thank Anthony Wood enough for this posting and I would bet my house that it may save a life.
 
I just tested my sump with a cheapo Harbor Freight meter and found 5v going from tank water to ground. I unplugged everything one at a time and the only thing that made a difference is a small powerhead that I had in the sump to supply some circulation.. When I shut that down, the voltage dropped to 2.5 indicating to me that there is still some small leakage somewhere..

Is this a problem?

Can someone tell me how you go about testing for amps??

blizz
 
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I just tested my sump with a cheapo Harbor Freight meter and found 5v going from tank water to ground. I unplugged everything one at a time and the only thing that made a difference is a small powerhead that I had in the sump to supply some circulation.. When I shut that down, the voltage dropped to 2.5 indicating to me that there is still some small leakage somewhere..

Is this a problem?

Can someone tell me how you go about testing for amps??

blizz
It's a little challenging to tell you how to test for amps without knowing what meter you have and exactly what you hope to find by testing for amps.

On a typical meter you should have a selector switch with an AC Amp setting. You probably need to change where your leads plug in to take this reading. You would then take one lead and put it in the tank water and touch the other to the ground of an outlet. That would tell you the worst case current you could get from your tank.

I have 2 cautions for you. First is that if you have a GFCI on your tank circuit testing it for current should trip the GFCI if you have any measurable current flow.

2nd is that this will give you a worst case current reading. I wouldn't worry too much doing this test with 2.5V or even 5V however I would not do this test with much higher voltage levels. Your meter should have a fuse (probably 20 amp) that should protect you if you draw too much current during the test but I don't recommend taking that chance.

My personal opinion is that you wouldn't get any useful information by trying to test for amps. I would recommend getting a ground probe for your aquarium to add a safety margin.

One more thought. Is your meter auto ranging? If it is you may have dropped down to 2.5mV instead of 2.5V. You could also try doing a voltage measurement from ground to something else you know is grounding (metal housing of a tool with a ground plug that is plugged in) If you have a very cheap meter this might just be an accuracy issue, not an indication that there is still a stray voltage.
 
Hi Ramasule.. my pump is a cheapo AC power head just being used to keep the sediment moving in first stage of my sump which I hope increases the chances of it being picked up in the skimmer.

Hi Brew... you can't get a cheaper meter then the one I have,,, it was free just for coming into Harbor Freight so when they say you get what you pay for,, you get the idea.. LOL

I have already ordered a probe and ground fault receptacle from Amazon so will have that on hand in a day or two.

Thank you both for your input..

Blizz
 
Hi Ramasule.. my pump is a cheapo AC power head just being used to keep the sediment moving in first stage of my sump which I hope increases the chances of it being picked up in the skimmer.

Hi Brew... you can't get a cheaper meter then the one I have,,, it was free just for coming into Harbor Freight so when they say you get what you pay for,, you get the idea.. LOL

I have already ordered a probe and ground fault receptacle from Amazon so will have that on hand in a day or two.

Thank you both for your input..

Blizz
Glad to help. If the meter is that cheap I wouldn't do a current test even if it has the capability. Just not worth the risk for little benefit imo.

I would also recommend that you test your GFCI device at least monthly. Looks like that model may have some reliability issues. If you do weekly water changes that would be a great time to test it. You won't hurt it by testing it too much but it might hurt you if it doesn't work when you need it.
 
I'm hoping that if the GFCI takes a crap, the Probe will take up the slack and not me.. LOL

Not really a laughing matter though.

I ordered two probe's, one for the sump and one for the display tank..

Blizz
 
2nd is that this will give you a worst case current reading. I wouldn't worry too much doing this test with 2.5V or even 5V however I would not do this test with much higher voltage levels. Your meter should have a fuse (probably 20 amp) that should protect you if you draw too much current during the test but I don't recommend taking that chance.

10 amps more than likely.
 
I started a thread with 0 responses offering a live electrical Q/A

https://www.reef2reef.com/threads/electrical-q-a-livecast-stream.262214/

I would be willing to answer questions live if anyone is interested.

It would have to be monday-wednesday as that is my work schedule and I would be staying at work to answer these from the laboratory where I have test equipment.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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