For low-energy electrical connections, the 3M™ Scotchlok™ 316IR IDC Pigtail Electrical Connector is a clear first choice. Whether you're working with underground circuit wires, sprinkler systems or landscape lighting, you can be sure your project is protected thanks to a seal that resists moisture when applied with the appropriate materials. Use this product for applications with solid or stranded copper conductors measuring 22 to 16 AWG. Each UV-resistant connector is made of flame-retardant nylon with a tin-plated brass U-contact for great conductivity, and it's UL Listed and RoHS 2011/65/EU Compliant without exemption.