How do I connect the L1/L2/L3/N power lines to the XHub?

First, loosen the M5 screws on the terminal block. Strip 10-13mm of insulation from the cables, insert them into ferrules, and crimp. Insert the ferrules into the corresponding ports (L1, L2, L3, N) and tighten the screws to 25±0.1 Nm.