An adjustment assembly adjustably couples enclosures, such as a meterbreaker panelboard and a load distribution panelboard, in a back-to-backconfiguration within a structure, such as a wall. The adjustment assemblyincludes afirst end member at or about the top end of one of the enclosures, a secondendmember at or about the bottom end of the other enclosure, and at least onefastenercoupling the end members together. A number of elongated apertures in at leastoneof the end members, such as slots and arcuate apertures, provide translationalandpivotal adjustment, respectively. The fastener, which may comprise bolts andwingnuts to enable such adjustment without requiring separate tools, extendsfromone enclosure through at least one of the elongated apertures in the endmember of theother enclosure in order to couple the enclosures together while enablingadjustmentof one enclosure with respect to the other.
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