7. Wiring
7-24
7.9.2 Example of duct wiring
Figure 7-23 shows an example of ducting in a cabinet in which each duct carries cables for a different circuit
classification.
- Provide as much distance as possible between ducts for different circuit classifications.
- Where the ducts for different circuit classifications cross, have them cross at right angles.
- Avoid having HC or LC wiring run in parallel with LT or LS wiring.
If doing so is unavoidable, leave clearance of at least 200 mm between them.
Figure 7-23 Example of wiring ducts carrying cables for different circuit classifications
(top view)
Front
Rear
LT Area for wiring
external cables
inside the cabinet
LS
LC Area for wiring
external cables
inside the cabinet
HC Area for wiring
external cables
inside the cabinet
Duct
Duct
S10VE
Wiring duct at bottom of unit
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