You may worry that rain, snow, or storms could break your connection. Workers often put cables underground, and sometimes they use jackets that block UV rays to protect them. Special seals and tough covers. A fiber connector left exposed to rain, sun, and temperature swings is a ticking time bomb for your internet connection. Fiber has glass strands, which are stronger than metal wires. This weakens the signal and takes a. Furthermore, fiber optic cables are non-conductive, eliminating the risk of electrical surges caused by lightning strikes.