AI Summary

Standard indoor Ethernet cables, such as Cat5e or Cat6, have a flexible PVC jacket that degrades under sunlight, rain and temperature fluctuations, eventually exposing the internal copper and weakening the connection. While they can technically be run outdoors, they lack protection against lightning strikes and other elements, making them unsuitable for harsh conditions. For outdoor installations, especially where security cameras are involved, the article advises using cables specifically rated for outdoor exposure—most commonly direct‑burial‑rated cable, which is clearly labeled on the jacket. It also recommends installing surge protection on both ends of any outdoor Ethernet run.

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