I have project where we have light poles with security cameras at the top of pole. Conduit was roughed-in the light pole for power for lighting (THWN), but not for CAT 6 for the security camera. Is there any scenario/exemption in the code or a cabling product that would allow for CAT6 cable to be installed in the same conduit as power wiring (THWN)? The circuit for the pole lighting is 240V/1PH in some cases and 277V/1PH in other cases. I appreciate the help in advance.