Phoenix Contact M8 Connectors, Soldered/Screw/Piercecon® quick Connection M8 – Phoenix Contact 1506930, The Phoenix Contact SACC-M8FS-4CON-M-SH Confectionable Plug-In Connector is ideal for industrial applications with sensor/actuator connections, and has been manufactured to a high standard using a solder connection. Phoenix Contact 1506930 Field attachable Connector M8