Description: 3 cores for power and signal, with contacts for the middle, straight, pre-adaptation safety ground Rated current 20A, operation voltage 500VAC, outdoor, waterproof IP67 Use silver-plated beryllium copper double entry, quality assurance, increasing the stability of the current and effective temperature control PBT material of the protective housing, with characters of fire safety, compression, anti-explosion and anti-deformation Fast and easy locking system Specification: Cable specification: 2.5m?--4m?/14--12 AWG Diameter range: ?8mm--?12mm Contact diameter × number: ?2.0×3 Rated Current (A): 20A Operating voltage (AC.V.rms): 500V Temperature rise: 12A contact temperature below 30??,15A......40??, 20A......50?? Withstanding Voltage (AC.V) 1 minute: 2500V Insulation resistance: ?500M? Protection level: IP67 Durability: ?500 times Working temperature: -40??80? Connecting mode: Latching lock Assembly wire: Solder&lock screw Housing, the insulating parts: High-performance engineering plastics Hardware: Zinc Alloy (pearl hard chrome) Copper needles: Copper alloy (2u gold-pleted and 70u Silver plated ) Waterproof circle: Silica gel Flammability rating: UL94-V0 Package Includes: 1 Piece Connector 1 Piece Waterproof conversion head 1 Bag Screw accessories