Huawei PDU8000 Series - Page 10

10
Not tied at bends
Extra length for easier plug and unplug
Stroking cables
No.
Bending Rule
1
Cables are not overly bent as over bending may damage the cable cores.
2
Unless otherwise stipulated, the bending radius should be three times more than the cable
diameter if the installation space is sufficient.
3
Cables are not tied where they bend, as shown in
following figure.
4
Cables must be a little longer than the exact cable route length to facilitate plug and unplug,
as shown in
following figure.
5
Cables should be stroked to eliminate abnormal stress on certain cables, as shown in
following figure
.
Cable Bending
Cable Layout
No.
Layout Rule
1
The armoring layers of armored cables are grounded.
2
Cables are securely connected in the correct phase sequence.
3
Cables are neatly arranged, and cable insulation layers are intact.
4
Different types of cables are bound separately.
5
Connection ports and cabling methods facilitate maintenance, cable routing, and capacity
expansion.
6
Cable connectors prepared onsite must be normal, secure, reliable, and neat.
7
Power cables, ground cables, and various signal cables are securely connected. Adapters are
securely plugged or screwed.
8
The N and PE cables are bound separately from the L1/L2/L3 or L cables for each circuit
breaker. Cables are converged at the beam and bound in groups by cable ties.