On Thursday, December 31, 2020 at 12:03:29 PM UTC-5, wrote:
On Thu, 31 Dec 2020 17:01:05 +0000, JoJo
wrote:

I'm running new circuits to a shop .
The 3 wires coming into the meter are 2 hots and a ground
or is the ground a neutral

Yes.

As per code NEC 250-23(b), 250-24(b). The building's grounded electrode must connect to the main ground wire which connects to main neutral wire which connects to the the back of the panel.