IBM 7014 T00, Manual

Page: 140 / 196

Figure 88. Grounding connection point on the door
Earth bonding the front and rear doors to the rack frame
You might need to bond the front and rear doors to the frame.
About this task
Before you begin, ensure that you have the following items:
• 8 AWG copper wire with either solid green or green-yellow insulation
• Wire with approximately 0.5 inches (1.25 cm) of insulation that is stripped from each end of the wire.
• A ring-type connector that is secured to each end of the wire, according to the instructions that come
with the connectors.
• M5 bolt and external star washers
• M6 external star washers
Note: You must use a 6-point (pt) socket with an extension bar to remove the bolts from the top cover.
Other tools might cause the bolt heads to become rounded and difficult to remove.
To earth (ground) bond the rack front and rear doors to the rack frame, complete the following steps:
126 Power Systems: Racks and rack features