Juniper MX2020 Quick Start Manual page 54

MX2020 3D Universal Edge Router Quick Start
54
NOTE: Three-phase wye AC wire assembly kits can be purchased from
Juniper Networks.
Table 7: Supported Three-Phase Wye AC Wire Gauge
Wire Gauge
5 x 10-AWG or equivalent
NOTE: We recommend that you use the proper gauge wire in order for the
cable clamps to hold the AC cables. Using smaller gauge wiring results in
the cable clamps not tightening properly.
WARNING: Power connections must be performed by a licensed electrician
only.
Verify that the power cable connections are correct.
11.
Screw the retaining nut onto the AC power cord to secure it to the metal wiring
12.
compartment.
Reinstall the metal PDM wiring cover, and using a number 2 Phillips (+) screwdriver,
13.
tighten the four captive screws on the metal AC wiring compartment.
Use the provided plastic cable tie to fasten the AC power cord to the PDM.
14.
Verify that the AC power cord does not touch or block access to router components,
15.
and that it does not drape where people could trip on it.
Repeat the procedure for the other three-phase wye AC PDMs.
16.
Connect the three-phase wye AC power cord mating connector to the AC power cord
17.
connector (see Figure 37 on page
three-phase wye AC power cord mating connector specifications.
Figure 37: Three-Phase Wye AC Power Cord Mating Connector
Description
5 conductor wires, each wire is 10-AWG
54). Table 8 on page 55 shows the approved
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