3 Core 2.5 mm² Mains Power Cable, Orange Polyvinyl Chloride PVC Sheath 100m, 20 A 500 V, 3183Y H05VV-F. PVC insulated mains cables are used for medium duty wiring in domestic, kitchen and office premises. This electrical mains cable should be used for wiring appliances that are indoors or in a covered, dry or humid area and is best used where the potential for mechanical stresses and mechanical damage is low