Ok, so I will keep it as short as I can.
5v dc power supply
Traveling over CAT5e, distance = 275'
2pr pos, 2pr neg.
At device point, reads 5.25-5.28v on meter (device not connected) Is the "Voltage Drop" I read about, only when "Load" (Device) plugged in? since I don't see a drop on the meter?