Construction: copper conductors, single or multi-wire, with PVC core insulation. The wires are stranded in layers and a plastic filling mixture is crimped around them. Wires are marked according to common standards. The outer sheath is made from PVC in the colour grey. Properties: suitable for fixed installation on, in and under plaster, in dry or damp rooms. Can also be used outdoors (without direct sunlight), but not intended for underground installation.