The ornamental design for a fielddistributionbox, as shown and described.
FIG. 1 is a front perspective view of an example embodiment of a field distribution box showing my new design.
FIG. 2 is rear perspective view thereof.
FIG. 3 is a front view thereof.
FIG. 4 is a top view thereof.
FIG. 5 is a right side view thereof.
FIG. 6 is a left side view thereof; and,
FIG. 7 is a rear view thereof.
The field distribution box hereof may be used for controlling decentralized driving units, e.g., electric motors, and may supply electric power and/or control signals to the driving units.