What are the advantages of using twin flat with earth PVC insulated/PVC sheathed copper cables?

How do you install twin flat with earth PVC insulated/PVC sheathed copper cables?

What are the typical applications for twin flat with earth PVC insulated/PVC sheathed copper cables?

What is the maximum current capacity of twin flat with earth PVC insulated/PVC sheathed copper cables?

How do you choose the right size of twin flat with earth PVC insulated/PVC sheathed copper cables for a specific application?