From the Manufacturer
The Kichler 15509BK QUIC DISC Connector joins 18-2 fixture leads with 12-2 or 10-2 low voltage cable. Injection molded polycarbonate with nickel plated brass contacts to provide maximum corrosion protection and improved conductivity. This is only for use with 12-2 or 10-2 low voltage cable only. Select Kichler mounting posts, stems, stakes and bollard mounting kits to enhance the flexibility and complete the total landscape lighting plan. Consumer surveys consistently put Kichler at the top of their list when it comes to quality, reliability and ease of installation. Quality, reliable power and ease of installation are what contractors want. Safety and performance are what homeowners need, and you can find it all from Kichler.
QUIC DISC cable connector Joins 18-2 fixture leads with 12-2 or 10-2 low voltage cable Injection molded polycarbonate with nickel plated brass contacts for maximum corrosion protection