4#恭喜发财 * H7 L, c2 G% s) M2 }! u- D & k. S& U; x% C+ ?1 v/ C$ l" T* G- _Very detailed explanation; learned something new everyday. As you said, truss connector is an essential component in framing, so why is it optional and still got a pass in city inspection; is there anything in the building codes that say about this?