The Rib Mat Electrical (450v) is a high quality, non-conductive rubber safety mat, designed to provide insulation and protect workers from electric shocks. Rubber Rib Mat Electrical is fully certified and tested to 11000 volts with a recommended working voltage of 450 volts. The regulation standard is stamped on the reverse at 1m intervals. The fine ribbed surface also offers great anti-slip protection and has an overall thickness of 6mm.