Installation quality is one of the most important aspects of a video surveillance system. Not only is operation affected by poor installation, but making the correct installation choices can improve reliability and performance.
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Installation Reports
IPVM has published a wealth of material on practical installation topics. The answer to the quiz questions below are found in these articles and guides:
Most of the practical installation terms and usage are applicable in the US environment and work standards, while the rest of the world may not necessarily using these terms nor following it. Further more the law outside the US is very much different even though there are some common ground and sense applied to it.
All in all, it's good to know these terms so I am aware of the different environment out there and what the others are doing.
Our service manager believes "drip loops" are unsightly and unnecessary as long as enough sealant is used and used properly.
I can understand how filled cinder block would be very difficult to work with but I suggested that the 'leaded cinder block' would be worse due to the toxic nature of the lead. When drilled penetrations you would be creating a significant amount of dust which would have high lead content thus causing a lead exposure problem.
Like workers involved with asbestos, they would need to be properly trained and have the proper PPE (Personal Protection Equipment) such as proper dust masks, Tyvek suits etc..
So based on the SAFETY issue involved with working with leaded cinder blocks I would still select that one.
@ Luis
That's interesting feedback on drip loops. I can't take issue with a cosmetic opinion, but I would challenge that sealant - even 'good' stuff like acetoxy silicone or polyurethanes - will grow brittle and crack over the course of many wet/dry and freeze/thaw cycles.
While in college, I worked for a sealants manufacturer. Even when the caulk tube claimed '35 year' protection, it was a marketing gimmick. (The company was wagering you wouldn't keep your original purchase reciept 35 years to potentially be refunded the $8 for a tube of caulk.)
Making a long story short, an adequately drip looped camera stands less chance of water infiltration than a flexible, caulked gasket that can shrink, crack, and fail over time.
So sealant manufacturers lie too??? Oh the humanity!
Brian, good points.
Luis, fire your service manager. I know it's harsh but he is a liability :-0
I too struggled with some of the US code terms.
@ Heng, Warren, and our global readers:
In the future, I'll make sure that quiz questions are non 'US-centric' and are worded in such a way to be generally applicable regardless of geography.
This quiz was slanted to US references, so I'll make sure the next one makes a point to avoid a geographic bias.
Thanks for the feedback!
