Heyco Products now offers HEYlock Locking IEC Power Cords. The Power Cords eliminate accidental and vibration disconnects and are universally compatible - no mating plug or receptacle required!  They are designed for retrofit as a plug and play replacement for existing power cords and available in Universal C13 to C14 and C13 to 5-15P. 

• For clamping cable or tubing securely into place, especially in harsh environments.
• Smooth "coined" clamp edges prevent damage to cable insulation.
• Constructed from corrosion resistant 304 stainless steel.
• Insulated parts are constructed from 304 stainless steel and coated with polyolefin, a thermoplastic co-polymer that provides a durable non-toxic, odorless coating that has very good low temperature flexibility and excellent electrical properties. This coating also has FDA food contact approval.
• Not for use in a marine salt water environment.