Bushing insulator AJ10.25 is designed for feedthrough situations in electrical conduits in concrete structures cast on-site, and is used for linking conduits in the ceiling structure to conduits in non-bearing inside walls leading directly to a switch or a plug socket, or to a junction box on the wall. Bushing AJ10.20 comes with a cast cover. Made of halogen free material (IEC/61249-2-21).