EE WAS WATCHING THE CABLE FOR THE BOLTER OPERATOR AS HE TRAMMED THE BOLTER OUT OF A HEADING INTO THE INTERSECTION. EE WAS REMOVING THE CABLE FROM A HANGER WHEN THE OPERATOR STARTED THE ROOF BO LTER AND WITHOUT WARNING THE CABEL REEL ENGAGED.THE CABLE STRUCK EE UNDER THE CHIN & KNOCKED HIM BACKWARD. HE WAS TAKEN TO THE HOSPITAL WHERE HEWAS DIAGNOSED WITH A MUSCLE STRAIN.