AFTER INSTALLING A RUBBER GROMMET AROUND WIRING AT THE CLARIFIER, THE EE WAS APPLYING RTV SILICONE AROUND THE GROMMET TO HOLD IT IN PLACE. WHILE THE EE WAS SQUEEZING THE TRIGGER ON THE CAULKIN G GUN, THE EE FELT AND HEARD A POP IN HIS LEFT HAND RING FINGER. THE EE SUFFERED A RUPTURED TENDON ON HIS LEFT HAND RING FINGER.