GE AF-600 FP Design Manual page 70

4.2.5 Unit Size Knock-outs
Illustration 4.9: Cable entry holes for unit size 15. The suggested use of the holes are purely recommendations and other solutions are possible.
Illustration 4.10: Cable entry holes for unit size 21. The suggested use of the holes are purely recommendations and other solutions are possible.
Illustration 4.11: Cable entry holes for unit size 21. The suggested use of the holes are purely recommendations and other solutions are possible.
Illustration 4.12: Cable entry holes for unit size 22. The suggested use of the holes are purely recommendations and other solutions are possible.
AF-600 FP Design Guide
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