As the Y stage moves front-to-back, the X axis motor wires tend to bend at the cable tie lashing them to the Y stage. While I had the XY stage apart, I wrapped a bit of self-vulcanizing tape around the skein of motor wires to provide some strain relief.

It’s not great, but it’s better than nothing.
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[…] the cable to the side of the box should suffice for strain relief, as the jacket forces it to flex in a large upward loop with no sharp bends. X axis motor wire […]