ACS2000 User manual 2UEA001270 Rev. F 6-7 (16)
Chapter 6 - Electrical installation
6.5 Ground cable and cable shield connections
The terminal entry unit is equipped with a ground bus to ground the cable 
armor and shield connections of the line and motor cables. Attach one lug 
per terminal.
Figure 6-4 Ground bus
Terminal details • Busbar dimensions: 75 mm [3 in] wide x 3.18 mm [0.125 in] thick
• Hole diameters:  7 mm [0.28 in] for wire connections
13 mm [0.5 in] for fastening bolt