LSF (Low Smoke & Fumes) is a designation showing that the cable sheath is suitable for use in public settings where lower levels of smoke and fumes are vital for evacuations in case of fire. Our 6491B cable is a single core stranded copper conductor with a Low Smoke Zero Halogen (LSZH) insulation. Perfect for fixed wiring applications, it is manufactured to harmonised (HAR) European Standard H07Z-R and is available in different conductor sizes and with a full range of colour options. It can be purchased in 50m or 100m units.