Juniper QFabric QFX3000-G Hardware Documentation page 473

Copyright © 2018, Juniper Networks, Inc.
Ensure that a licensed electrician has prepared the power cords. See
and Wye Three-Phase Power Cords" on page
Ensure that you have the following parts and tools available to connect power to the
device:
Electrostatic discharge (ESD) grounding strap
Phillips (+) screwdriver, number 1
Slotted (–) screwdriver, 1/4 inch, with a torque range between 23 in-lb (2.6 Nm) and
25 in-lb (2.8 Nm)
CAUTION: You must use an appropriate torque-controlled tool to tighten
the screws on the terminal block. Applying excessive torque damages the
terminal block and the wiring tray. The absolute maximum torque that may
be applied to this screw is 50 in-lb (5.6 Nm).
WARNING: Ensure that the power cords do not block access to device
components or drape where people can trip on them.
To connect AC power to three-phase wye wiring trays:
Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
1.
point on the chassis.
Ensure that the power cords are not connected to power outlets. Switch off the
2.
customer site circuit breakers. Ensure that the voltage across the AC power source is
0 V and that there is no chance that the voltage might become active during
installation.
If the wiring tray is installed in the chassis, remove it. See
3.
from a QFX3008-I Interconnect Device" on page
to the wiring tray as described in
on page 413.
Ensure that the power switch on the wiring tray faceplate is in the OFF (O) position.
4.
Using a number 1 Phillips (+) screwdriver, loosen the four screws on the metal AC
5.
wiring compartment on the side of the wiring tray (see
Open the metal door of the wiring tray compartment.
6.
Chapter 29: Installing a QFX3008-I Interconnect Device
413.
"Removing a Wiring Tray
608. The power cord must be attached
"Preparing Delta and Wye Three-Phase Power Cords"
Figure 166 on page
"Preparing Delta
424).
423