ELECTRICAL
CONNECTION
5.1 Additional Grounding Cable
Electrical connection must only be operated by professional technicians. Before connection, necessary
protective equipment must be employed by technicians, including insulating gloves, insulating shoes and
safety helmet.
Note: The additional cable and OT/DT terminal should be prepared by user themselves.
Figure 5.1
Preparing additional grounding cable
1. Heat shrink tubing 2. OT/DT terminal
Remove the screw of grounding terminal and secure the additional grounding cable by insert a screw into the
screw hole in the OT/DT terminal. Connect the grounding cables as the following diagram.
Note: A 6 mm
2
conductor cross-sectional area of cable is recommended for additional grounding cable.