Working with mc4 connectors requires a few specialized tools.
How to disconnect solar panels with mc4 connectors.
Some versions of mc4 have a removable safety lock clip that covers the interlock tabs and provides additional unintentional disconnect protection.
The mc4 wires are soldered in there with no way for me to remove them without a soldering iron.
With regards to remove the mc4 connectors you can do that provided the solar cable 4mm sq cable is long enough for you to connected to the controller.
Standard mc4 connectors will definitely lock together.
If for some reason you need to disconnect your mc4 cables you will need one of these.
You can t use other cable to connect the original 4mm sq solar cable.
Mc4 male connector fitting.
Mc4 connectors have seals around the cable and also in the mating parts of the connectors that red bit in the picture.
And even if i could remove them there s no convenient way to bring in my own wire no terminal strip all i can do is cut the ends off the mc4 wires and figure out some way to.
If you can pull them apart without depressing locking tabs you should replace one of the connectors with the same type as the other.
Tools for mc4 connectors.
You must release them with the disconnect tool.
This is an mc4 disconnect tool.
Connectors using these clips cannot be squeezed apart by hand.
Mc4 connectors allow strings of panels to be easily constructed by pushing the connectors from adjacent panels together by hand but require the mc4 spanner to disconnect them to ensure they do not accidentally disconnect when the cables are pulled.
You must insert the two extended posts on the end of the tool into the side of the female mc4 connector.