The QDC-2 Quick Disconnect Cord is designed for use on overhead doors, gates, and any other opening that cannot be protected by other methods. The QDC-2 is designed to provide years of reliable service. It incorporates a proven design with heavy-duty corrosion-resistant contacts. The rugged connector system and heavy duty cables will withstand the harshest treatment and environments. It is suitable for both indoor and outdoor applications. The heavy duty cables have successfully withstood bending cycle test of over 2000 cycles.