An article in Plant Services magazine points out that mixing power and control wiring within one panel can result in problems and difficult to diagnose anomalies. This article provides ten steps to follow for controlling these types of electrical problems. The article opens by stating:


"Mixing 480-V three-phase cables and lower voltage 24- or 120-V control wiring and communication cabling in the same cabinet can result in erratic operation or even complete failure of electronic equipment inside the cabinet. Knowing what’s inside the cabinet before you open it, the specific wiring variables to look for once inside, what values to measure, and simple ways to correct problems can help alleviate many erratic and sometimes mysterious control and communication problems."

[url='http://www.plantservices.com/articles/2012/03-10-steps-control-electrical-cabinet-problems.html']Read the entire article in Plant Services[/url].

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