The Carol General Cable 18/4 Unshielded FPLR Riser Rated Fire Alarm Cable is a high-quality, 1000-foot cable designed for fire alarm applications. With a wire gauge of 18 AWG and a voltage rating of 300 V, this cable features a red PVC jacket for easy identification and is resistant to mold. Made with bare copper conductors and a solid wire style, this cable is manufactured in the United States and is ideal for use in multiple conductor cable applications. Please look at the pictures and see if you have any questions. Thank you for looking.