Putting Network Switch In Attic

What i m wanting to do is keep a poe switch in the attic.

Putting network switch in attic.

The plan is to run a single cat5 cable from the study on the ground floor outside the house using metal trunking to the attic where i will install a network switch netgear gs116 maybe. I am putting up some ip cameras and have limited network runs to the attic so i will likely need to put a switch up there. Loading ubiquiti community ubiquiti community. I would need to run an extension cord around a corner from that outlet in the attic to put it where i want to put it.

You might prefer to. There is a power outlet in the attic on the wall on a stud near that door. It can get about 110 in the summer or more i would imagine the attic is likely the same. I put four ethernet jacks at each location in the office and living room and single ethernet jacks in the bedroom and the kitchen.

Looking for some recommendations for switches that can withstand las vegas summer attic heat. My setup is likely overkill for many people.