Cat6 Plenum CMP 550Mhz Network Ethernet Solid utp Cable 10Gigabit Yellow

so the question comes up a lot about what cable to buy what should I get but I want to address this little piece of it first because we run into this a lot plenum cable now plenum cable is cable that is constructed out of a slightly different fire retardant plastic jacket for low smoke polyvinyl PVC is a fluorinated ethylene polymer I'll leave a link here so you can read these because I'm not good at all these big words but it's basically a fire retardant cable that you have to use in case you're using this inside of an area that is a shared air circulation area a plenum so what defines that so the plenum space and we're gonna take a picture here for how a plenum space looks so here's a drop ceiling this is your living working area this is actually how our office laid out we have a forced air return and a forced air supply connected to our HVAC system there's the dead non circulating ai