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Post by 1dave on Aug 29, 2018 9:58:16 GMT -5
Do you have accdess to a volt-Amp meter? measure it.
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Post by roy on Aug 29, 2018 10:13:04 GMT -5
you have a grounding issue in you fuse panel get ti looked at asap we had the same problem here at work with a radiator test tank and electric lift long story short the power coming in to our fuse panel was missing a ground leg not good buddy
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Post by 1dave on Aug 29, 2018 12:56:46 GMT -5
you have a grounding issue in you fuse panel get ti looked at asap we had the same problem here at work with a radiator test tank and electric lift long story short the power coming in to our fuse panel was missing a ground leg not good buddy YES! If your house ground has come apart it requires immediate repair! I was called out to the county courthouse in Provo Utah once. The lights in an office would only turn on while the secretary was typing with the electric typewriter. The ground had become disconnected. The connection only existed when both legs of the 220 volt system were in use at the same time.
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Post by johnjsgems on Aug 31, 2018 10:30:53 GMT -5
I would check that the panel "bonding screw" is in place and that GFCI is properly wired. It should trip before you feel anything.
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Post by TheRock on Sept 8, 2018 1:25:14 GMT -5
I would replace the water pump with small submersible fish tank pump sounds to me like that is the problem your pump has went south.
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Post by Rockoonz on Sept 8, 2018 11:39:26 GMT -5
Also I would ground the aluminum body of your cabber to the ground wire of the drive motor, After you ensure continuity of your home ground and that of your shop. Not sure if this is true, but my extremely limited understanding of how GFI breakers work leads me to believe that if you have no earth ground it won't trip, even with the test button.
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Post by Rockoonz on Sept 8, 2018 11:42:17 GMT -5
Next idea, does your pump have a 3 prong plug? If it wasn't internally grounded...
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Post by parfive on Sept 21, 2018 21:53:09 GMT -5
Well?
Where we at three and a half weeks later?
I’m guessing it ain’t barefoot on a rubber mat. : )
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kskid
Cave Dweller
Member since July 2014
Posts: 98
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Post by kskid on Sept 22, 2018 0:26:32 GMT -5
I'm coming late to the party, but since this topic pops up now and then, I'd like to remind folks of a couple of clarifications with respect to GFCI's. GFCI's can and do operate as designed without the presence of a ground wire. In fact, at one time they were a code compliant solution to ungrounded receptacles (two prong receptacles fed by 2 wires). It was permissible to install a GFCI receptacle that would accept a three prong outlet, even though there was no ground wire to the receptacle. I don't know if this is still allowed, but I know this condition still exists out there in the real world. It is possible to feel a shock even though the GFCI tripped. It is possible to be shocked and electrocuted through a perfectly functional GFCI. This is a rare circumstance, but may be exactly what was described in the OP. It has to do with how the GFCI operates. It detects a difference in the current that is leaving the receptacle and the current that is returning to the receptacle. If everything is as designed, these two measurements will be equal or very nearly so. In the event of a ground fault, some of the current that arrived through the receptacle finds its way to ground without having to go back out through the receptacle. One scenario would be if a wire in or on an appliance was damaged and came in contact with the metal case on a stand on the floor. It may go harmlessly and unnoticed by anyone until they realize that the GFCI tripped. If a person were touching the appliance at the time and provided a path to ground that offered less resistance than the appliance stand, the current may go to ground through the person. Either way, the GFCI recognizes the difference in current that left the receptacle and current that returned to the receptacle, and it trips. If I understand Tommy correctly, he was standing on an insulating mat. This is significant because the only way a person can be electrocuted through a GFCI is if the current passes through the person, but still returns to the receptacle. In effect, the person becomes another appliance on the circuit. One arm is the hot wire, one arm is the neutral wire, and the person's heart is the light bulb. All the current that enters the body from the circuit also exits the body back into the circuit. The GFCI senses nothing unusual, but the person would still experience the full impact of the electrical current. I don't know where the stray current may have come from, but if I understood correctly, it is reasonable that Tommy did receive a shock despite the protection of a GFCI (and could have been much worse). I hope you call in a professional and have him/her evaluate the situation. We'll all sleep better knowing you're safe and sound. Stay safe out there!
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Post by amygdule on Sept 22, 2018 5:15:35 GMT -5
I had a cabbing unit setup outside that would make my fingers tingle. Another ground rod wired to motor fixed that problem.
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Tommy
Administrator
Member since January 2013
Posts: 12,754
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Post by Tommy on Sept 22, 2018 10:26:31 GMT -5
Sorry for letting this drop and thank you everyone for all the valuable input and concerns. I took everything apart behind the machine and I found a couple of things needing attending to - all pointing towards faulty workmanship . After fixing them the current leak has stopped and hasn't reoccurred I found that there was a small patch of exposed copper wire on the cord to the water pump from where it had been in contact with the belt at some point. Over a year ago I noticed my cords were too close to the belt so I moved them and installed a plastic shield to keep them from laying on the motor. I checked the wires for breaks at that time but not close enough I guess. The broken wire was touching nothing but other wires on it's way to the water tank below, so if this was the cause then the current was transferring to the water in the tank then back up through five feet of hose before meeting the copper fittings on the machine. Secondly the I took the double outlet apart and I did find a sketchy ground connector in the plug the pump is plugged into. It seemed to still be making contact but it fell out of the crimped connector so I fixed that. I also replaced the outlet the pump was plugged in and changed it back to GFI. It was GFI originally like the left side that the machines are plugged in but the right side outlet went bad years ago and I replaced it with a standard outlet that I had on hand. Thanks again for all the help and concern. I'm happily cabbing again ... barefoot haha. It's actually a height thing - my machine is built just a touch too low and I find that when I'm barefoot it's the perfect height
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Post by TheRock on Sept 23, 2018 12:57:14 GMT -5
Glad you got it fixed Mate! Don't want to loose or Chief Cook and Bottle Washer to Faulty Wiring!!! Of Course men can take anything!
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Post by Pat on Sept 23, 2018 14:37:24 GMT -5
Tommy. Re the height issue, I put bricks under several machines. Raises them up as desired, AND I don’t need to be barefoot in the shed. Glad you solved the shocking problem.
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Tommy
Administrator
Member since January 2013
Posts: 12,754
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Post by Tommy on Sept 23, 2018 14:55:20 GMT -5
Tommy. Re the height issue, I put bricks under several machines. Raises them up as desired, AND I don’t need to be barefoot in the shed. Glad you solved the shocking problem. Thanks I can't raise the height easily because it's a kinda-sorta built in to the workbench and I can't raise the whole workbench because it's kinda-sorta securely fastened to the wall We are likely to be moving in the next year or less into a house in Napa with a big beautiful garage that will be like a clean slate in which to build my new workshop - at that point I will do a better job building it to height and no longer will need to barefootin.
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Post by TheRock on Sept 23, 2018 19:12:29 GMT -5
Awe hells bells just Drink a Can Of Pepsi Max and wash it down with Capt'n Morgan and All will be fine!
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