I am replacing the heating element in my FIL's BOS. There is a little metal tab thing on the old element. I have moved it to the new element but am not sure how that goes onto the ceramic insulators. Does anyone have a picture of theirs or can you tell me how that thing goes on? I am thinking it goes behind the insulator against the back wall of the box but don't want to blow the thing up when I plug it in!!! Thanks!