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Solar System Installation Hand Tools and Materials
Multi Contact ConnectorMulti-contact connectors, (MC connectors) : Connecting solar modules together in Parallel can be easy as well, if you have the right products. MC connectors provide a connection between the solar modules and Combiner Boxes. Most solar modules are now manufactured with Multi-contact connectors, (MC connectors, for short) which make for an easy Series connection.

Solar Male & Female Branch Connector:

These waterproof branch connectors make it possible to parallel or series parallel wire PV modules with solar output cables. Maximum current allowed through connectors is 30 amps.