Yep up to 149 f for this 40 mikrotik switch.
Power switch in the attic.
These fans draw air from the attic and send.
It could be in plain sight or tucked away in a crawl space closet or attic.
I wire up an outlet to power a poe switch in my attic.
Note that it doesn t include a power supply.
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.
Here s a 6 port trendnet switch 4 with poe rated up to 158 f for 200.
Multiple reviewers on amazon say they use it in their attic.
The problem could be that the power to your furnace and indoor blower has been turned off.
New lighting cable computer networking and sound systems can all require wiring that may need to come through the ceiling.
When connected to the thermostat they can turn on and off automatically depending on the current household temperature and the specific settings.
The switch can easily be mistaken as a light switch and someone may have accidentally turned it off.
Attic power ventilators are mounted to the roof of the home and are connected electronically to a power source and in most cases the home s thermostat.
On a single story home or the the upper floor of a multiple story home this means accessing your attic to run wire.
Through a room upstairs there is a door that opens and you can step out into the attic.
There is a power outlet in the attic on the wall on a stud near that door.
Most either come with a programmable thermostat or can be wired to one which will turn the fan on when the attic reaches a set temperature no need for flipping a switch or monitoring the attic.
Typically there s a switch located near your furnace.