Floor cleaning device

An autonomous floor cleaning machine comprising:

• an enclosed electronics unit comprising at least one of electrical, sensor, and communications components and associated wiring entering into and exiting from the electronics unit through at least one first wire opening;
• a dry compartment comprising splash shields defining a top and sides of the dry compartment, the dry compartment further comprising at least one additional electrical component and associated wiring entering into and exiting from the dry compartment through at least one second wire opening in one of the splash shields;
• a cleaning solution tank located at a top side of the cleaning machine and at least partially disposed above the electronics unit and the dry compartment;
• a protective cover overlying the at least one first and second wire openings, the protective cover containing at least one passage facing downward in a direction opposite to the cleaning solution tank and sized to allow the associated wiring to pass through the passage and through the wire openings;
• and
• a wet compartment disposed outside of the dry compartment and comprising fluid lines extending from the cleaning solution tank towards a bottom of the floor cleaning machine.