4#恭喜发财 # Q& H, |* p7 ]8 [, V% q. h% H1 F * y, O2 U3 W# ^: m, {* PVery 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?