Areyou looking for FRLS (Flame Retardant Low Smoke) wires? It guarantees visibility of at least 40%. Low smoke also makes it easier for firefighters to move about while rescuing people who are trapped indoors or within buildings. They are suitable for fixed-protected insulation and conduit. Particularly ideal for wiring in places that are prone to fire and explosions, chemical plants, intensively wired areas, public buildings, schools, hospitals, commercial frls wires complexes, theatres, etc.