This Y-branch parallel adapter cable wire is perfect for solar setups. Ideal for DIYers and professionals alike. It's made of high-quality PPO material with IP67 waterproofing. It's compatible with 10/11/12/13/14 AWG cables. The rated current is 20A (4mm2), rated voltage is DC1000V. It has a contact resistance of ≤5mΩ, insulation resistance of >500mΩ, operates in the -40°C to +90°C temperature range, has a protection degree of IP67, and a flame class of UL94-V0.