Recent content by onslow

Been in the trade 1971 (15th edition), started installing fire & security in 1985 and didnt bother with 16th then 17th edition...to much like hard work lol. The problem with the site in question is its a big retail/industrial park and the cctv belongs to the landlord, the mains and other...

Thanks for the reply, just to clarify, the 12V PSU within the housing has failed and I need to change it but cannot find a means to isolate the mains, no spur and no breakers marked up. The issue with the crimps are they are jointing mains that is sitting in suspended ceilings, under desks etc...

Hi Guys, I'm new to this forum so I hope I'm posting in the right place :? I am a fire and security engineer and have a few issues on safety with the company I'm working for and want some confirmation before I bring the matters up with management. I'm coming across external CCTV camera's...