Connectors are available in a number of forms and sizes, the most popular of which being MC3, MC4, PV, and Tyco Solarlok. They are also available in a number of forms, such as T-Joint, U-Joint, X-Joint, and Y-Joint. The most common form of solar connector is the MC4 connector. MC4 connections, which are single-contact electrical connectors, are often used to link solar cable connectors. For more info please visit this website - https://elcom-in.com/solar-connectors/