Use NEC Tables 312.6(A) or 312.6(B) to determine minimum dimensions when raceways and cables enter the back of a panelboard enclosure. On a different note: Based on the wiring configuration of the panelboard, is this a service or a subpanel?
7-7 MINIMUM WIRE-BENDING SPACE - 408.3(G)
Catching up with 2014 NC Electrical Code Updates from - ppt download
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7-7 MINIMUM WIRE-BENDING SPACE - 408.3(G)
Wire Bending Space : r/IBEW
Service entrance wire bending space
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408.55(C) Back Wire-Bending Space.
Chapter 4 Equipment for General Use: Equipment for General Use, 2021 Oregon Electrical Specialty Code (OESC)
LG 9,800 BTU Through-the-Wall Air Conditioner with Remote, Cools up to 440 Sq. Ft., 3 Cool & Fan Speeds, Universal design fits most sleeves, 115V : Home & Kitchen
Chapter 4: Equipment for General Use, Nebraska Electrical Code 2017
7-7 MINIMUM WIRE-BENDING SPACE - 408.3(G)
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How much wire bending space do they need? Ok halve that.” -Siemens, probably : r/electricians