All the ground connections in/around the house should be bonded - connected together with large low impedance wire to minimize/eliminate "ground loops". Basically keeping them all at the same potential.
On Fri, Jul 26, 2019 at 7:17 AM Mitch Haley via Mercedes < mercedes@okiebenz.com> wrote: > > Generally speaking, the power goes to the outdoor unit, which is connected > to the indoor unit via 3+G strand Romex, which handles both power and > communications. > It's possible that the three wires are two for blower power and one for > computer signal. There's some argument whether the outdoor unit should be > earth grounded. I drove a ground rod for the first one I installed and was > told not to do that, so I didn't do that again, didn't have trouble either > way. > > _______________________________________ > > -- OK Don "Whenever you find yourself on the side of the majority, it is time to pause and reflect." Mark Twain "There are three kinds of men: The ones that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves." WILL ROGERS, *The Manly Wisdom of Will Rogers* 2013 F150, 18 mpg 2017 Subaru Legacy, 30 mpg 1957 C182A, 12 mpg - but at 150 mph! _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
