the plastic sockets I've seen have metal clips to hold them in and the socket is grounded to those clips .... otherwise they would have a 2nd wire for a ground, or you'd need to solder a wire onto the socket body and ground that

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics