TERR A DC WA LLBOX
2023 -06-20 29/39
5.5 Connect cables
5.5.1 Connect PE of power cable
Preconditions:
• Tools: Wire stripper pliers; wire-end lug pliers; wire-end lug.
DANGER
Hazardous voltage
Make sure that the main switch of the power supply group for the
product is set to the OFF position. Perform a voltage check and
make sure that the electrical power is disconnected from the
system. Follow recommended NFPA-70e procedures.
1. Cut the PE wire of the power cable to the correct length (longer than the other phases) to
reach the PE connector.
NOTICE
For safety, it is recommended that the PE wire is longer than the
phase wires. This ensures the PE wire will be the last wire
connected if the Terra DC Wallbox is moved by a collision.
2. Use wire stripper pliers to remove 0.75 (20 mm) of the insulation from the end of the PE wire
and attach the cable lugs.
3. Pull the cover away from the connectors and remove them.
4. Loosen the bolts of the PE connector on the ground block.
5. Attach the PE wire onto the PE block.
6. Tighten the bolts. The advised torque value is 2 Nm.
5.5.2 Connect power cable
Preconditions:
• Tools: Wire stripper pliers; wire-end lug pliers; wire-end lugs.
DANGER
Hazardous voltage
Ensure the product’s power supply group’s main switch is set to the
OFF position. Perform a voltage check and ensure the electrical
power is disconnected from the system.
7. Cut the 3 phase wires and the neutral wire of the power cable to the correct lengths to reach
the connectors.
8. Use wire stripper pliers to remove 0.75 in (20 mm) of the insulation from the ends of the wires
insert and terminate on the appropriate terminal block
9. Pull the covers away from the connectors and remove them.
10. Loosen the bolts of the connectors.
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