Depending on the environment, they are categorized as indoor or outdoor cables, each with distinct designs, materials, and use cases. Choosing the wrong type can impair network performance or even pose safety risks. FTTH Butterfly Optic Cables are specifically designed to meet the growing demand for high-speed fiber-to-the-home deployments. Their flat, butterfly-shaped structure combines optical fibers with strength members, making them ideal for indoor wiring, drop cable installations, and last-mile network. Indoor and outdoor fiber optic cables are two structural categories defined by their installation environments. This guide offers a technical comparison of outdoor and indoor fiber optic cables, exploring their construction, performance metrics, applications, and installation. These are cables that are designed to meet both the rigorous environment of the outdoors but also can be routed indoors, where flame rating requirements also apply. This type of indoor outdoor cable eliminates the need for a “transition splice” to an indoor-rated cable when routing an outdoor cable. Fiber optic cables, the backbone of modern communication networks, enable high-speed data transmission with advantages such as rapid transfer rates, large capacity, and strong anti-interference capabilities. At Megnet, we understand that every network has unique requirements, and we're here to guide you in choosing the optimal cable for your setup.