I'm not sure that I understand this concept. What is star grounding? How is it done? Should my dedicated A/C sub panel be star grounded? What are the advantages? And is there any danger?---(lightning strikes, other problems...) Thanks!
Let's put it this way, if the Mongols had used Star Jones as their anchor, their 4,400 ship fleet may not have sunk off the coast of Japan when that typhoon hit.
So how does star grounding apply to an A/C sub panel? What my electrician did is run a 40 amp 65' 8 gauge non-armored A/C cable from the main A/C panel to the sub panel. I then have 4 20 amp 7' runs of 10/2 romex to my A/C sockets. The only ground rod that I have is a 10' 5/8" commercial grade ground rod that goes to my main A/C panel. Should I have a separate ground rod for the sub panel or a separate ground wire from the sub panel to the main panel or some other configuration? The system sounds great, but maybe there's something that I can do to get a lower noise floor. I plan on using cryoed breakers and already have good A/C sockets. I also plan on using Virtual Dynamics A/C wire to replace the 8 and 10 gauge wire that I have presently. Thanks! Stan
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