Industrial automation and contemporary production would not be possible without electrical control panels. Control panels are essential in every industrial setting, as they regulate the flow of electricity and automate the operation of machines and lines. Safer operations, less time spent on maintenance, and flexibility for growth are all possible benefits of using these best practices for electrical control panels.
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1. Sufficient Space in Panel
Make sure there is enough space in the panel layout. As a space-saving measure, many control panels make the mistake of placing all of the gear in a very tiny enclosure. While there may be situations when a small enclosure is required, larger enclosures are generally preferred. Because of this, you can use larger wire ducting and correctly position all of your equipment in your panel layout. Spaced-out panels are easier to work with and typically have more structure than those where everything is jam-packed into a compact area.
Make sure the ducting for your wires is large enough to accommodate all of the wire that may pass through it. This is one of the most common mistakes we see, and it's one that we've committed as well. It's easy to forget about the need for cable ducting while making a panel.
This is because, especially after the panel has been installed in the field, the amount of wiring that will need to be routed through the ducting is often underestimated. Wire ducting must be planned with enough spare space to accommodate every cable, including field wires. Carefully estimate how many conductors will be required, and then check that you have adequate area to accommodate them comfortably.
3. Make use of Supplemental Protection
Separate everything using an extra layer of protection if you can, like a circuit breaker or fuse block. Wiring power to the various devices within a panel can be done in a variety of safe and code-compliant ways. Some panels consolidate the protection of multiple devices into a single branch circuit protector.
This method is legal and functional, but it is not suggested. If possible, it's preferable to have a way to physically separate each component of the panel from one another for added security. A supplemental protector is designed to guard against harm to a single gadget at a time.
4. Label the Cable
In case of doubt, put a label on it. It's a good idea and often required by code to label the cables in your panel. However, it is not necessarily necessary to name the other types of hardware in your panel to meet code requirements. While all hardware must comply with UL rules, only the most important pieces of hardware need labels.
It's important to keep in mind that operators who find this panel in the future might not be able to decipher the purpose of the equipment contained within it. Make the panel as secure as possible and make it easier for operators to use by labelling everything you think could cause trouble. Labelling everything clearly is a good idea, even if the labels seem obvious at times, so that others can understand it.