The 4 pin cliffcon connectors are available in blue for applications up to 120 vac speakers amplifiers battery chargers in vehicle use the red connectors are suitable for use up to 250 vac the connectors are intended for applications for which a touch safe connector system with high quality reliable locking is required the connectors in the cliffcon range are robust and durable multi pin plugs and sockets designed for high performance applications the connectors include touch safe c