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4. The flexible cord must have a rated ampacity greater than or
equal to the derated ampacity. Since the new flexible cord may
be smaller diameter, a check must be performed to insure the
cable gland nut, when tightened, will securely hold the flexible
cord so that it cannot be twisted, pulled or pushed in the cable
gland. A sealing ring, for small diameter flexible cords, may
have been included with the Raritan product, or can be sourced
from a electrical equipment supplier, to reduce the inside
diameter of the cable gland.
Wiring of 3-Phase In-Line Monitors
3-phase in-line monitors contain 4-pole wiring terminal blocks (L1,
L2, L3, N) to monitor 5-wire (4P+PE) 3-phase wye connections.
Delta wired 4-wire (3P+PE) 3-phase connections are also permitted
(no wire connected to the terminal block neutral "N"). No
additional hardware or firmware configuration is required to
specify whether the connection is 5-wire wye or 4-wire delta.
In-Line Monitor Unused Channels
It is not necessary to wire up all channels of multi-channel in-line
monitors. The inlet and outlet openings of unused channels must
be completely closed off. "Goof plugs" for this purpose may be a
good choice if they are available in your country or region.
Step by Step Flexible Cord Installation
The following items are required to complete the installation:
•
Flexible cord(s).
•
Insulated ring terminals (one for each wire) and appropriate
crimp tool.
•
Plug(s) and receptacle(s) (for in-line monitors)
•
Torque screwdriver, torque nut driver and torque wrench to
tighten the wiring terminal block screws, ground nut and cable
gland nut.
To install a flexible cord:
1. Open the PDU's access panel (or in-line monitor top panel) to
expose the power wiring terminal block(s).
Raritan PX Power Cord Installation Guide
PowerCord_InstallGuide_1B_3.6.10 255-80-6083-00 RoHS
One-channel in-line monitor
Zero U PDU
Make sure to locate the ground wire mounting stud(s). There
is a separate ground wire mounting stud for each terminal
block. Each flexible cord MUST have its green (or
green/yellow) ground wire bonded to a ground wire mounting
stud.
For in-line monitors, make sure to identify the inlet terminal
blocks (rear of monitor) and outlet terminal blocks (front of
monitor). Each inlet terminal block has a corresponding outlet
terminal block.
3
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