After we got solar, they replaced my main feed from the top through the bottom, leaving a 3 inch hole at the top. I have some extra circuits I'd like to add, but needed additional punchouts---well this solved both problems! It snaps in pretty tight, but if you're really wanting it never to move, just glue it into the box and you should be set.
Category: HouseholdThe author marked this model as their own original creation. Imported from Thingiverse.