MC4 Connector

An MC4 Connector is a widely used electrical connector in solar power systems, particularly in the connection of solar panels to the inverter or charge controller. The term “MC4” stands for “Multi-Contact, 4mm”, referring to the type of connection and the size of the contact pin. MC4 connectors are known for their reliability, ease of use, and weatherproof design, making them the standard connector for most photovoltaic (PV) systems.