S sparky44nnaptown New member Jun 29, 2009 #1 Can you pull new CCTV cables in existing D- rings all ready installes in a drop ceiling? There is existing cables in the rings also.
Can you pull new CCTV cables in existing D- rings all ready installes in a drop ceiling? There is existing cables in the rings also.
egnlsn Senior Member Location Herriman, UT Occupation A/V/Security Technician Jun 30, 2009 #2 As long as the existing cabling is low voltage, yes.
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician Jun 30, 2009 #3 egnlsn said: As long as the existing cabling is low voltage, yes. Click to expand... Why would the voltage of the existing cables matter, interference?
egnlsn said: As long as the existing cabling is low voltage, yes. Click to expand... Why would the voltage of the existing cables matter, interference?
egnlsn Senior Member Location Herriman, UT Occupation A/V/Security Technician Jun 30, 2009 #4 Yes -- inductive coupling.