Notrax 832C0036BL Switchboard Matting Class 4 Black 91cm x linm Insulating matting prevents workers from being “grounded” and provides safety in case of electrical shock. Switchboard mats can be used in dry environments in front of high-voltage boxes, electrical fuse boxes, and transformers. As well as around electric sub-stations, transformers and switches, electrical panels, engine, and generator rooms. The corrugated saw-tooth top surface increases traction and is easy to sweep clean. Each square inch of matting is tested in conformance with ANSI/ASTM D-178 specifications. Must be replaced every 12 months for optimum safety. O-zone resistance, flame resistance, and oil resistance. Class 4 – Dielectric strength: 50 000 V. Proof test: 40.000 Volts. Recommended maximum usage: 36.000 Volts.