That's interesting ... in my limited experience, techs working in industrial environments very well know that 80+% of electrical problems are due to bad contacts and problems with interconnects like cables, and go to some length to make clean, vibration-damped, strain-relieved harnesses. With public-safety SCADA systems, even more so I would think ...

>Isn't it funny that when equipment is installed professionally like in the beginning of the article, you never have any problems with it.
>
>BTW I recently inspected a Water Treatment Plants comms system, the PLC cabinets and associated wiring made your "not a winner" look like a professional job.
>
>The plants operators couldn't understand why they had so much trouble with the system, and why it took so long to fix problems, and also why the SCADA missed so many alarm conditions.
>
>>http://www.talkaboutcedia.com/article/10397/
>>
>>The "not a winner" at the bottom is more like mine ...