Fromm & Starck STAR_ATFE_21 Manuel D'utilisation page 35

INSTALLING THE WIRING
Remove the adhesive tape and attach the cable reliefs (K) as shown in the

figure below.
1. Remove the blind caps to connect the wiring.
2. Connect the wiring.
3. Secure the wiring with the blind caps to prevent disconnection.
4. Connect the power supply.