Huawei PowerCube 5000 Installation Manual page 25

PowerCube 5000 (SUN2000-150KTL-S0)
Installation Guide
General Requirements for Laying Out Cables
Bending Radius Requirements
The bending radii of power cables, ground cables, and signal cables should be greater than or
equal to five times their diameters.
Cable Binding Requirements
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Safety Requirements
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Indoor Cable Layout Requirements
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Requirements for Laying Out Cables Outdoors
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Issue 03 (2020-04-10)
Cables of the same type should be bound together.
Cables of different types must keep a minimum distance of 30 mm from each other.
Cables must not be tangled or twisted.
Cables that are bound together should be close to each other, neat, and free from damage.
Cable ties are bound neatly in the same direction. Cable ties at the same horizontal line
must be in a straight line.
The extra part of each indoor cable tie must be cut off. A slack of 5 mm is reserved for
each outdoor cable tie. All cut surfaces have no sharp edges.
After cables are installed, labels or nameplates must be attached to both ends, joints, or
turns of the cables.
Cables should be placed away from sharp objects or wall burrs. If inevitable, protect the
cables with protection pipes.
Cables should be routed away from heat sources, or heat-insulation materials should be
added between cables and heat sources.
Sufficient slack (about 0.1 m recommended) should be provided in cables at turns or the
position close to a device, facilitating cable and device maintenance.
Cables are routed indoors through feeder windows.
Trap the cable part outside the feeder window according to requirements for the
minimum bending radius.
When routing a cable into the room, ensure that a person is assisting you in the room.
Feeder windows must be waterproofed.
Outdoor cables must be routed through a pipe to protect them from being damaged.
AC power cables, transmission cables, and cables buried in the ground must be
protected.
If cables at the cabinet bottom need to be routed through a pipe along the ground, the
pipe should be routed into the cabinet base for about 30 mm to 50 mm, but not into the
cabinet. The pipe end should be sealed with waterproof tape or silicon gel, and the pipe
should be secured to the cable hole at the cabinet bottom using sheet metal.
If cables at the cabinet bottom need to be routed through a pipe along a metal cable
trough, the pipe should not be routed into the cabinet base. The cable trough should be
sealed and routed through the cable hole at the cabinet bottom.
Arrange the cables in order in the routing direction, and install cable clips.
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2 Installation Preparations
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