The ornamental design for a trigger handle for a plasma torch, as shown and described.
FIG. 1 is a right-side view of a trigger handle for a plasma torch according to the new design.
FIG. 2 is a rear view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a right-side top perspective view thereof as viewed from the nozzle end;
FIG. 5 is a right-side top perspective view thereof as viewed from the inlet end;
FIG. 6 is a right-side bottom perspective view thereof as viewed from the inlet end; and,
FIG. 7 is a right-side bottom perspective view thereof as viewed from the nozzle end.
The broken line showing of a trigger handle for a plasma torch is for the purpose of illustrating portions of the article and forms no part of the claimed design.