Check for proper IP/NEMA ratings and material quality. Ensure safe placement: install in dry, accessible areas with good ventilation and at appropriate height (typically ~1. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger. ” They are all important notes for safety and must be followed in addition to Internationa provided for peaceful use in manufacturing. In vacuum material handling, there usually are only a handful of separate components, such as a vacuum pump, inlet filter, control valves, and cups. This article explains the basic schematics and how they should be used to illustrate to the installer or end user how his new system works. Schematic. Whether in a home or an industrial facility, this box keeps your electrical setup organized, functional, and efficient. However, the key to a safe and reliable system lies in proper installation. If it's done poorly, you risk short circuits, fire hazards, or system failure. Done right, it ensures. control valves, and cups. The body of a component should always have a schematic symbol on it, but when this is an adhesive label for insta ce, it could be. What Is a Control Box? A control box is an enclosure that houses components used to start, stop, regulate, and monitor machinery or processes. Unlike distribution boxes that mainly handle power division, control boxes govern how electrical power is used. While the exact layout of these.