Bay Marine Supply BusBar €“ 12-Point Power Distribution Block €“ #8 Terminal Screws & 1/4†Stud €“ Red

Can this handle 120v ac?

I purchased you 12-point power distribution block (240a rating). where do i connect my gound wire? is it the first screw on the top row?

Do you have to remove the main wire to get the cover off to add/remove connections?

what are the diminsions