Features 1、[Crimping Terminal Connection] The extension cable adopts the crimp connection terminal, with good abrasion resistance and excellent softness. 2、[4 to 1 Solar Cable Connectors] This 4 way connector kit could be used for connecting upto four solar panels in parallel. 3、[Waterproof Solar Extension Cable] Solar cable connector adapter is perfect to sealing out water and dust to prevent corrosion. 4、[Durable] The extension cable connectors are stable and safe with the built‑in lock which is long durable in outdoor environment. 5、[Wide Application] The connector 4 branch Y type solar cable, suitable for solar power station, PV connector and PV junction box. Specifications Item Type: Solar Panel Connector Material: Plastic + Brass Color: As shown in the picture Weight: Approx. 347g / 12.2oz Working Current: 20A (4mm²), 30A (6mm²) Contact Resistance: <=0.5mΩ Insulation Resistance: > 500MΩ Applicable Single Core Cable Section: 1.5mm²-6mm² Cable Outer Diameter Range: Φ5-7mm / 0.20-0.28in Ambient Temperature: -40 ℃ - + 105 ℃ Protection Level: IP67 Security Level: Ⅱ Insertion Force: ≤50N withdrawal Force: ≥50N Flame Retardant Rating: UL94-VO Terminal Connection Method: Crimping Application: Solar Panel Connection, etc. Package List 1 x Positive Connector 1 x Negative Connector