I got help with wiring my cabin here: Requesting Evaluation of Power Plan at Rural Cabin
and here: Cabin Wiring Plan Revisited
I also put a follow up comment there, but now I'm not sure that was the right place to ask this, since others may have the same question.
So, the sub panel is about 300ft away from the main panel and is wired with 2 hots and a neutral plus ground, and the neutral is not bonded to ground at the subpanel, and is bonded at the main panel. This is brand new, the PoCo just turned on the power and installed their meter yesterday.
I have a little commercial electric tester, this one: https://www.homedepot.com/p/Stop-Shock-GFCI-Outlet-Circuit-Tester-CE-HGT6120/204501748
When I plug it into the outlet the middle indicator goes green & the outer lights off ... then after about a half-second goes to where only the right red light is on.
Could the distance be affecting the tester?
I am tempted to disconnect my subpanel ground and bond the neutral and test it again.
Thanks in advance!