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Dell PowerEdge R720 and R720xd Owner's Manual

Assembling And Connecting The Safety Ground Wire

  • WARNING: For equipment using –(48–60) V DC power supplies, a qualified electrician must perform all connections to DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yourself. All electrical wiring must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow all safety instructions that came with the product.
  1. Strip the insulation from the end of the green/yellow wire, exposing approximately 4.5 mm (0.175 inch) of copper wire.
  2. Using a hand-crimping tool (Tyco Electronics, 58433-3 or equivalent), crimp the ring-tongue terminal (Jeeson Terminals Inc., R5-4SA or equivalent) to the green/yellow wire (safety ground wire).
  3. Connect the safety ground wire to the grounding post on the back of the system using a #6-32 nut equipped with a locking washer.
    Figure 1. Assembling and Connecting the Safety Ground Wire The figure shows assembling and connecting the safety ground wire
    1. safety ground wire
    2. grounding post
    3. locking washer
    4. spring washer
    5. #6-32 nut

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