NYY cable is a type of electrical cable that is commonly used for electrical installations in buildings, houses or other structures. This cable is usually used for low to medium voltage applications, such as electrical distribution systems, lighting, and other power needs. NYY cables are usually designed for low to medium voltage applications, with nominal voltages usually between 450/750 Volts to 0.6/1 kV. This makes it suitable for use in electrical distribution systems within buildings.