Phoenix Contact IPC 35 Plugs - Screw Change Phoenix Contact is changing the screws used in the IPC 35 plugs will be changed from a plus and minus design to a Torx head screw. This change is applicable to flanges, as well as the screws used for wire termination. This change allows the installer to apply the necessary torque. During transition of the changes, both versions of this product may be supplied depending on inventory. Please contact a Mouser Technical Sales Representative for further information. 5-0813-28