Interference-free cable routing
3.1 Classifying cables into cable categories
Designing interference-free controllers
10 Function Manual, 06/2014, A5E03461486-AB
The following table shows the minimum clearance you must maintain when installing cables.
Table 3- 2 Combination of cable categories
Category A
• In common bundles
or cable channels
• In separate bundles
or cable channels
(no minimum
clearance
necessary)
• Inside cabinets in separate
bundles or cable channels
• Outside cabinets, but inside
buildings, on separate cable
racks with at least 10 cm
clearance
Category B
• In separate bundles
or cable channels
(no minimum
clearance
necessary)
• In common bundles
or cable channels
Category C
• Inside cabinets in separate bundles or cable
channels
• Outside cabinets, but inside buildings, on
separate cable racks with at least 10 cm
clearance
• In common bundles or cable
channels
If you install different cable categories in the same cable channel, use metallic cable
channels with metallic partition.
The following figure show a schematic view of a cable channel with partition.
Figure 3-1 Cable channel with partition
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