4#恭喜发财 ! {" U% b5 |2 U- n2 o7 t $ N6 v/ _; l _# h$ e8 R' kVery 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?