In article , "Toller" wrote:

well, I am suggesting metal rather than drywall. There isn't much
difference between sheet metal and a blank box cover.

You're right, there isn't -- using either one to cover an inaccessible box is
still a Code violation. ;-)

--
Regards,
Doug Miller (alphageek at milmac dot com)

It's time to throw all their damned tea in the harbor again.