Quote Originally Posted by gbkims View Post
I took an unused Hubbell Autoguard GFCI out of its box. It's reset button was out in the tripped position and wouldn't reset.
Powered it up and it clicked and I could reset & trip it.
Removed its power & I could reset it.

Rather than open it up, found a cutaway youtube video: Teardown: Leviton Ground fault circuit interrupter https://www.youtube.com/watch?v=DyeijLvh-yI
Gene,

Thanks for confirming that the GFCI could be reset with power removed.

I wonder what the initial state it was in with the reset button out straight out of the box, before being installed.