EE WAS ATTEMPTING TO TAC WELD A NUT ON TOP OF SOME CONE STEEL. HE LINED UP THE NUT & THE WIRE FEED PUT HIS WELDING SHIELD DOWN, HE STARTED TO WELD THRU THE WIRE BACKED UP HE HIT THE FEED AGA IN WITHOUT CHECKING HIS ALIGNMENT THEN THE WIEREWENT THRU HIS GLOVE & INTO HIS LEFT THIRD FINGERON 2/29 HE WAS DIAGNOSED WITH AN INFECTION & TREATED