Provide access to the onboard terminal box.
Draw the cable ends into the onboard terminal box.
Screw the fitting (d) into the onboard counterpart (e.g. terminal box).
Wire the cable conductors according to the colourcoding indicated in the installation drawing of the unit.
Close the terminal box.
The cable (g) must be fixed at spacings of 300mm to 500mm (DIN EN 50343, Section 15a)