Arc Flash Helmet

FIG. 1 is a top front perspective view of an arc flash helmet, according to the present design. FIG. 2 is a front elevation view of the arc flash helmet of FIG. 1 . FIG. 3 is a rear elevation view of the arc flash helmet of FIG. 1 . FIG. 4 is a right-side elevation view of the arc flash helmet of FIG. 1 . FIG. 5 is a left-side elevation view of the arc flash helmet of FIG. 1 . FIG. 6 is a top plan view of the arc flash helmet of FIG. 1 . FIG. 7 is a bottom plan view of the arc flash helmet of FIG. 1 ; and, FIG. 8 is a top front perspective view of the arc flash helmet of FIG. 1 , with the visor in an open state. The broken lines in the drawings depict portions of the arc flash helmet that form no part of the claimed design.