Cablerator is a Blender addon (2.8+) for creating and editing hanging cables:

• create cables by clicking on geometry
• create cables between points of curves
• draw cables on geometry or planes
• create cables from edges
• create hanging cables from objects
• create massive numbers of cables between selected faces
• use Blender physics to simulate cables
• create insulation between selected cables or objects
• create simple rope-like structures between selected cables or objects
• edit multiple cables width, assign profile quickly
• add geometry as segments and end points for cables
• create cables based on meshes
• split cables with multi-curve profiles to separate cables
• add and remove hooks to cable points