kartechnology

No ground loop isolator available here and the camera gets the power from the place of the dvr and is not connected to anywhere else.

hi, im new here , here is my question I have a 16ch HIKVISION DS-7216HWI-SH (has a 3 pin power plug) And 16 cams of Sony cxd4140gg OSD Camera advertesed as 600tvl but i doubt it. have everthing power with a power srtip(not a surge protector) from a single socket here voltage in india is 230V AC and the dvr is grounded(green wire connected) PSU is 2x of E&E SMPS 12V 5A(cant find on google) has a 2 pin power plug, TRIED revesing the power plug now i get horizontal lines(scrolling from top to bottom,whitish color on a lcd monitor vga from dvr) on my monitor on each camera. previously it wasn't there there. so how can i solve this?