Feature●Southwire doorbell wire used single conductors for connecting call bells, buzzer break systems, door chimes●Uv-resistant for indoor and outdoor use●Suitable for low voltage battery or transformer circuits●Suitable for furnace controlsDescription Single conductors for connecting call bells, buzzer systems, door chimes, etc., on low voltage battery or transformer circuits. Multi-conductors suitable for furnace controls, etc. This item is perfect for your home or office.