58 in X 58 in Ground Mat Blanket. The EQUI-MAT Personal ProtectiveGround Grid provides an easy way to help establish an equipotential zone for a lineworker to stand on during various energized anddeenergized work practices. Properly applied, it accomplishes compliance with Occupational Safety and Health Administration (OSHA)1910.269: The EQUI-MAT Personal Protective Ground Grid easily can be taken anywhere needed, is simple to use, maintain and store. Itconsists of a high-ampacity tinned-copper-braid cable sewn in a grid pattern onto a vinyl/polyester fabric. Cable terminals permitconnecting the mat's grid in series with an electrical ground and the subject system component or vehicle. Simply rinsing with watercomprises all the care the mat requires. The mat may be folded and stored in a tool bag to help keep it clean and protected. Completeinstructions are included with each unit.