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Halogen-free, flame retardant and self-extinguishing in the event of fire. Smoke in the event of fire is minimal, transparent and not harmful to electronic equipment. These cables have stranded copper conductors for open fixed installation, indoors, outdoors, in pipes, ground or water. Suitable for switchgear and potentially explosive areas. Can be plowed down if care is taken. The concentric screen means increased personal safety for both the installer and the property owners.