I am currently setting up access points off of my router; I have one EAP225 I am experimenting with so far and want to add more later.

I notice that the "big brother" EAP245 has two ethernet ports; does that mean I can daisy chain?

eg: router --> PoE injector --> EAP245 --> EAP225

Also the EAP225-wall seems to have four (??) will this work:

eg: router --> PoE injector --> EAP225-wall  then two or three cables running to different EAP225?

Or even:  router --> PoE injector --> EAP245 --> EAP245 --> etc etc --> EAP245 --> EAP225

Will the PoE pass through to subsequent ones?

Will the current drawn be anough to start a fire?

I would be happy to buy a PoE switch if the little injectors that tp-link helpfully includes are not enought for this.

I understand that there is a data bottleneck, but in my case a single Cat5e cable has enough capacity for everything on my network; this is about distributing wifi access points not about wanting to stream a dozen 4K movies at once

This would potentially save me some drilling of holes and fishing of cables, as oppopsed to having one dedicated cable from each AP back to the router.

Or perhaps I am just being silly, and the extra ethernet ports only to allow plugging in a device (eg: computer, camera, etc).