Types AYPO aluminum compression adapters are designed for reliable termination of aluminum and copper conductor in mechanical connectors. Typical applications include mechanical connectors in molded case circuit breakers, panel board equipment and meter sockets. Factory prefilled with the proper amount of Penetrox joint compound. Pentrox, Burndy oxide inhibiting compound with conductive metallic particles penetrates aluminum oxide between strands and forms an air-tight connection. EPDM rubber covers are supplied with each connector and are rated for 600 Volt, eliminates taping. Supplied in a plastic convenience pack. The cover and connector are kept together and free of foreign material until used. Connectors are clearly marked with catalog number, wire size, and color coded die index. Provides clear, easy to use information to lower installed cost. 1.60-inches plug length. 3.16-inches cover length. 1-1/8-inches strip length.