A cable is a strong, flexible wire or bundle of wires that is used to transmit electrical power or signals. Cables can be found in various forms, such as electrical cables that connect devices to power sources, or communication cables that carry data for telephones and the internet. They are typically insulated to protect against electrical interference and environmental factors. Cables come in different types, including coaxial cables for television signals, fiber optic cables for high-speed internet, and power cables for electrical appliances. Each type is designed for specific uses, ensuring efficient and safe transmission of electricity or information.