13” x 13” box shown, stuffed with:
two VHF I.C.E. arrestors,
three HF I.C.E. arrestors,
an I.C.E. rotor/control cable arrestor,
and a simple barrel connector ground bar.
Ground strap from shack is bonded to copper mounting plate, and 2” copper strap exits bottom of box, headed for ground rod(s).
Cables enter house through hole in upper left corner. Most boxes have double the number of grommets in bottom for egress to house. Almost any size available.