I went through the Van stock. Curiously enough, I found a QOB rated for 1 CU or Al #10-14, a QO rated for 1 or 2 CU or Al #8-14, and several QOB rated 1 or 2 CU or Al #10-14. All are recent enough to have the little "red flag" indicator window for tripped condition. I love the consistency!