Loose control wiring and terminal screws, improper grounding techniques, and routing of power and electronic conductors too close together are among the most common, yet hard to find, causes of improper equipment operation. When the blinking lights on automation devices stop blinking, the control cabinet is often the go-to troubleshooting culprit, but how do you make the best judgments for quickly locating the problem? Every technician or controls engineer has been in a situation where the status lights on a device. In many cases, electrical cabinet failures are not caused by a single component but by a combination of design flaws, poor installation practices, or lack of maintenance. There is a simple 10-step procedure for minimizing those problems. One must be aware of the wiring color codes currently in effect before troubleshooting cabinet wiring. Mixing 480-V. Imagine a sudden, catastrophic failure in your high voltage cabinet during peak production; the downtime costs alone would be staggering. Whether you are managing a massive industrial plant or a secondary substation, understanding the nuances of high voltage assembly maintenance is the difference. Currently having an issue with my headunit cutting out except with it does my voltage increases/ spikes from 14. When this occurs it cuts out sub amp only. 3 breakers 300 amp and soldered all connections. Also have a relay running my.