[RFI] Green Wire RFI

[Dave Cole]

Hi Scott,

To say nothing about insurance...  If there is a fire, and it is traced 
to the green wire issue, (or if the insurance company can blame the 
green wire issue), the insurance company may not pay off...

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 11/15/20 12:36 PM, donovanf at erols.com wrote:
> 
> Hi Scott,
> 
> 
> A much better idea is to invest some time resolving the RFI...
> 
> 
> If you you have an EE degree or you're a licensed electrician
> you understand both RFI and the consequences of ground faults
> already.
> 
> 
> The green wire to your water heater provides the only direct path
> back to the circuit breaker, copper plumbing provides an indirect
> and less reliable path back to the circuit breaker.
> 
> 
> The green conductor path will trip the circuit breaker if a live wire
> in the water heater shorts to a grounded conductor for any reason.
> The copper plumbing path might trip the breaker or it might not.
> 
> 
> Maybe you no longer take cold showers, but the intentional
> removal a NEC required green wire circuit could prove to be
> a whole lot more inconvenient than that...
> 
> 
> 73
> Frank
> W3LPL
> 
> 
> 
> 
>> On Friday, November 13, 2020, 5:48:53 PM MST, K9MA <k9ma at sdellington.us> wrote:
>>
>> While I generally agree that the green (ground) wire should go through the CM choke, here’s an exception: My gas water heater was shutting down whenever I was on 160. It has a grounding cord, but the ground is totally redundant because the tank is tied into the copper plumbing. (That would not be the case with non-metallic plumbing.) I made a choke with a two-wire extension cord, and left the green wire open. No more cold showers.
>>
>> 73,
>> Scott K9MA
>>
>> ----------
>>
>>
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