meshes to equalize mechanical and electrical stress across the first elastomer the combination of metallic mesh and elastomer of high electrical resistance at high voltage provides mechanically strong and oil resistant mats that protect personnel in oil fields against high voltage and surges the high mechanical strength elastomer layers mechanically protect the conductive wire mesh as well as the first elastomer application_number US 30779481 A description the use of the embodiments of this invention is diagramatically shown in fig1 where an operator 11 extends his or her hand 12 to operate components of an instrument panel or box 13 the feet of the operator 14 are supported on the mat 15 or 21 or 31 or 41 which is an abrasion resistant oil resistant mat of high electrical resistance located between the feet 14 of the operator and a support surface 16 such as the ground or other usual operator support such as a steel framework or platform located above the ground in usual operation of an oil rig using mats as 15 21 31 or 41 disclosed herewith an operator works on or with and contacts the instrument panyel or control box 13 through which electrical power passes to operate the electrical.