[. . . ] Qualified personnel using the appropriate fasteners should mount the Cable Access Plate. [. . . ] Qualified personnel using the appropriate fasteners should mount the Cable Access Plate. The surface to which this unit is mounted must be capable of supporting a static load of four times the combined weight of the projector and mount. Do not attach to plaster or drywall alone. Required Tools: - - 5/16" hex driver Drill motor Procedure 1. Insert a 1-1/2" NPT threaded pipe (not included) securely into the coupling. Screw a #10 selfdrilling screw into the threaded pipe through the existing hole in the coupling to prevent removal of the pipe. 1-1/2 PIPE (NOT INCLUDED) A Figure 1 [. . . ] Insert a 1-1/2" NPT threaded pipe (not included) securely into the coupling. [. . . ]