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DEH-41473
Exhaust Plenum Section
The exhaust plenum sections may be provided in widths of 22, 30, and 38 inches (Figure F.10).
Figure F.11 Exhaust plenum section details
Table F.1 Exhaust plenum section widths (inches)
Dimension "A" Dimension "B" Qty. of "C" Holes
Stack Width
22
22
30
30
38
38
NOTICE: Use of optional flange clips (Figure F.10) may be
used in lieu of the #12-24 x 7/8 inch hardware. Two flange
clips may be installed on each long exterior flange and one
flange clip may be installed on each short exterior flange.
Use of the optional flange clips will still require the
installation of the 3/8-16 x 1 inch carriage bolts at each
exterior flange corner.
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Courtesy of NationalSwitchgear.com
20
18
28
22
36
26
AKD-20 AR / Entellisys AR Low-voltage Switchgear
Appendix F. Exhaust Plenum System Details
78
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