Separate, always
Cables chafing against each other wear through their sheath within months. Give every cable its own chamber with separators, and never stack heavy on light cables.
Strain relief at both ends
Fix cables at both the fixed and the moving end connector, so they can breathe inside the chain but cannot migrate. Migrating cables form loops in the bend and break there.
Inspection interval
In continuous operation, check every six months for wear marks on the glide surfaces and play in the end connector bolts. Replace a worn glide element before it touches the cable sheath.