The Eaton Tripplite PLC19RD Plug-Lock Insert is a specialized accessory designed to secure C20 power cords when connected to C19 outlets. By preventing inadvertent disconnections, the Plug-Lock Insert helps maintain system uptime and operational continuity. This red insert provides a reliable mechanical lock, enhancing the physical security of power delivery to sensitive network infrastructure. It is a practical solution for data centers, server rooms, and enterprise IT setups where power cord integrity is paramount.