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#163306 - 05/05/07 11:20 PM Grounding issue  
sandro2  Offline
Member
Joined: Mar 2005
Posts: 49
philadelphia,PA
went to a family members house to connect a coax cable splitter. When I started removing the connections off the old splitter there was arcing and the lites in the bsmnt. dimmed. After a few minutes they returned to normal. Could this be a result of a loose neutral or improper grounding of service. I am going to run a new ground wire to the water service and install a ground rod. Has anyone ever seen this happen before?


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#163308 - 05/06/07 12:14 AM Re: Grounding issue [Re: sandro2]  
resqcapt19  Offline
Member
Joined: Nov 2000
Posts: 2,148
IL
There is very likely a poor connection somewhere on the service neutral. The cable coax is connected in parallel with the neutral as a result of the code rules. Any arcing accompanied by lights dimming or getting brighter when disconnecting a coax is a very strong indication of a neutral problem. Note that in the case of an open neutral there is also a shock hazard...you could have 120 volts between the two parts of the cable system after you disconnect them.


Don(resqcapt19)

#163309 - 05/06/07 01:12 AM Re: Grounding issue [Re: resqcapt19]  
Theelectrikid  Offline
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Joined: Apr 2004
Posts: 810
Levittown, PA
I have to agree with Don, after hearing my father tell me many tales of this happening...

Ian A.


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