4#恭喜发财 , I4 m v m# Z: j3 Y9 S 4 ?$ w. \6 K6 _# }0 f- }/ x; i) N+ \! VVery 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?