hurk27
Senior Member
- Location
- Portage, Indiana NEC: 2008
100903-2138 EST
hurk27:
Interesting about the location across the switch. Sometime I will see if I can perform an experiment to look at the transient. Maybe ELA will also try some experiments.
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That would be great, I often wanted to drag out my old quad trace Tectronics, to do this myself, but have had so much going on, I could never find the time.
The one thing I noted is it seems the transient spike seems to be after the switch from the load, as putting the MOV across the load seems to have no effect on the transient (GFCI's still tripped as before), but putting across the line and neutral ahead of the switch does seem to lower the amount of the spike(GFCI's don't trip as often or not all of the GFCI's in the apartment tripped as before) but doesn't remove it totally, but for some reason placing it across the switch seem to work (none of the GFCI's in the apartment tripped).
I posted about this a long time ago, about putting a MOV across a switch for a ceiling fan in a master bedroom, back when we were still allowed to put the master bath receptacle on with the general bedroom circuit, and the results were the same, it stopped the bathroom GFCI from tripping, but that went away in 1999 or was it 2002? but then came the arc-fault breakers which until Indiana eliminated them in 2005, ceiling fans caused these to trip also, I had to find away to get around this problem as the GFCI's we were getting back then was not very good in blocking this.
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