You have a 200 amp main in a service with 3/0 THHN copper wire, what size ground wire do you need for the main grounding electrode? - Quora
I would like to install a 200 amp sub pannel 250ft away from my main pannel. What size wire do I need and do I need to
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Are we allowed to reduce the size of Neutral Conductors? – Sparkypedia brought to you by Electrician U
![Where should I connect the green ground wire in main panel next to meter? - Home Improvement Stack Exchange Where should I connect the green ground wire in main panel next to meter? - Home Improvement Stack Exchange](https://i.stack.imgur.com/vVjZS.jpg)
Where should I connect the green ground wire in main panel next to meter? - Home Improvement Stack Exchange
400 Amp Service with Two 200 Amp Disconnects...Is my Grounding across Meter & Disconnects Adequate? | DIY Home Improvement Forum
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