It has been a long time since I saw an SE job but they were popular in Md. I remember they always had a drip loop in the SE between the meter can and the penetration into the house.
I may still have some pictures of my service up there somewhere.
Around here it is virtually always a straight back to back with a short nipple between the load center and the meter can.
You would need an inch or two of water in the meter can to get to the nipple even in the lower KO. FPL gives us aluminum meter cans and the way the cover goes on, water will run out the bottom.
