UL Listed: Listed by Underwriter's Laboratories for use on 3 Hr, A label single swinging doors (4'x10'). GYJT Builders Hardware-single point locks or latches. American National Standard: ANSI A156.2, Series 4000 Grade 1 (formerly FF-H-106C Series 161.)The 9KW series cylindrical lock has received a notice of acceptance from Miami-Dade County and is considered Miami-Dade County product control approved. "WS" option must be ordered for the lock to include a "Miami-Dade County Product Control Approved" label for inspection purposes.