Solar Combiner Box - Pre-Wired - 4 String Model Continuous Duty Rated at 600V DC - 25A Max Input Per One String Pre-wired with MC4 Connectors - Includes FREE MC4 Mating Connectors All UL Compliant Components NEMA 4, 4X UL Listed Enclosure with Stainless Steel Mounting Feet Output Cable Gland - MAX Output Wires Size: 8AWG or Smaller