The conveyor slave box is an electrical device that works hand in hand with the conveyor control box to help dictate the movement of the conveyor section. The conveyor slave box is an important part of the system, and it is available for rental with RentAlmostAnything.com. RentAlmostAnything.com compiles a huge selection of tools from a variety of sources, making finding the right conveyor slave box as easy as it has ever been.