Figure 68: Loosening The Screw For The Negative (+); Figure 69: Tightening The Screw For The Negative (+) - Allied Telesis x950 Series Installation Manual

Chapter 5: Installing Power Supplies and Optional XEM2 Line Card
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Figure 68. Loosening the Screw for the Negative (+)
6. Wind the power wire and tighten the screw.Refer to Figure 69.
Figure 69. Tightening the Screw for the Negative (+)
7. After attaching the wires to the screws, verify that there are no
exposed wires or loose wire strands.
Warning
Check to see if there are any exposed copper strands coming from
the installed wires. When this installation is done correctly there
should be no exposed copper wire strands extending from the
terminal block. Any exposed wiring can conduct harmful levels of
electricity to persons touching the wires.  E12