Plenum cable type is only where you need to have fire resistant/low smoke/toxics such as when you go through areas where air is being supplied to occupants. Don't buy that kind of cable otherwise, the expense is unwarranted.
GP
Most system I've seen are either 8 or 16 Camera. I only need 9 and not likely to expand. Are there any good 9 camera systems out there that I could spend, say 4-5K all up for cameras and DVR? Just for the system, not power or A/V cables.
Thanks,
GP