Huawei PDU8000 Series Quick Manual page 10

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