Protective Earth (Pe) Connection; Connect The Pe Wire - ABB Terra 94 UL Operation And Installation Manual

Electrical connection
7.2

Protective earth (PE) connection

HAZARDOUS VOLTAGE
The EVSE's protective earth (PE) connection is mandatory.
The EVSE must be earthed via the connection points marked with the protective earth symbol and using a
cable with an appropriate conductor cross-section for the maximum ground fault current that the system
might experience.
CAUTION
It is necessary to select the Ground (PE) wire size per NEC or local electric code.
The earth connection must be made through the Protective Earth (PE) internal connection busbar (38).
NOTE
Any failure of the EVSE not connected to PE is not covered by the warranty.
7.2.1

Connect the PE wire

38
B
A
38
• Prepare the PE cable:
− Cut the PE cable (A). Make sure that the length is
sufficient for connection at the PE busbar (38).
− Strip the insulation from the end of the cable.
− Attach the cable lug (B) to the end of the cable. Use
the dedicated lug tool.
• Install the Main Protective Earth (PE) cable on the PE
busbar (38).
Cable lug
Hole Ø11 for M10 (
• Tighten the fasteners to 292...389 lbf-in (33...44 Nm).
55
) cable lug
25 / 64