mjvesq1969 Posted February 26, 2018 Share Posted February 26, 2018 been asked to establish a viable loop circuit....on all systems ie fire cctv access intruder...what is that ..i have an idea but not definite Link to comment https://www.thesecurityinstaller.co.uk/community/topic/41975-what-is-a-viable-loop-circuit-test/ Share on other sites More sharing options...
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