71 Electric has developed its own range of standard epoxy insulators for indoor medium voltage switchgears: - AIS (Air Insulated Switchgear) insulators : embedded poles, contact box (a.k.a. spout), …etc. - GIS (Gas Insulated Switchgear) insulators: various kinds of bushings, fuse chamber, …etc. - SIS (Solid Insulated Switchgear) insulators : bushings and various epoxy insulators with metallic coating for grounding purposes. Also, 71 Electric develop cables accessories, and outdoor standard composite insulators, made of glass fiber pultruded rod, with silicone over-moulding, and metallic supports. Finally, 71 Electric proudly develop and manufacture epoxy resin and hardeners under the brand Polimu.