15A 250V A-Lock C13 C14 Power Cords. IEC 60320 Standard. Computer, PDU, Data Center applications.Cables Plus, USA 15A C14 to A-Lock C13 cables are the perfect fit for mission-critical devices to ensure that the cable never accidentally disconnects from the equipment. A-Lock connectors function by grabbing the ground pin of the inlet, ensuring that the connection does not come loose due to human error, vibration, or other factors.