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Plan for outlets
If you have existing outlets near the floor, you can tap into those outlets to feed new outlets in the slat wall itself. These new outlets can be at workbench level to feed battery chargers or up high to power lights.
You can cut holes in the drywall and feed cable up to those locations. You don’t need to patch those holes because they will be covered by the slat wall. Leave the cables coiled behind the plywood and note their locations. Then you can cut outlet holes in the plywood and insert “remodeling” junction boxes.