
Wire Ducts

Wires and cables deliver power and data that is necessary to perform various applications throughout multiple industries. Proper wire and cable management helps prevent damage and low performance issues. Wire ducts can help to ensure that wire and cables are organized and easy to access when it comes time to expand, modify or perform maintenance on the system.
Wire ducts are the wire management solution for supporting and routing wires and cables inside electrical control panels. They are rigid trays used as raceways when wires need to be inserted, dropped or pulled into place. Wire ducts are available in different configurations. Slotted wire ducts have slots or fingers with score lines that allow the fingers to be broken away at various places. This allows for customization of the wire slot size, where thicker cables or bundles of cables can be pulled through. Narrow slot wire ducts are made for small diameter wires while wide slot wire ducts are made for wider diameter wires or cables. Unslotted wire ducts or solid wall ducts, provide better overall protection for wires and cables and are best for applications where the wires and cables are not frequently accessed. Round hole wire ducts support and retain wires at different heights and positions and maintain greater wall rigidity than slotted wire ducts.
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4 best practices when fabricating a control panel.
- Use a larger enclosure whenever possible. This allows room in the panel design to properly space all of the hardware and to install larger wire ducting. Panels that have ample space tend be me more organized, while panels that have everything crammed into a small space tend to be more difficult to work in and are often less organized.
- Tap holes instead of using self-tapping screws. It is common for panel builders to use self-tapping screws to save time during the fabrication process. While it can save time, this type of fastener does not always provide the consistent, strong connection that may be needed for the mounted hardware. This is especially true when hardware may need to be removed at some point and then later reattached. Holes that have been tapped prior to hardware installation will offer a stronger, more consistent connection point that will last longer.
- Ensure that wire ducting is large enough. It is very easy to undersize wire ducting when designing a panel. It is important to always plan for wire ducting to have extra room available once all wires have been run through it, including field wires.
- When in doubt, label it. It is a very good practice to label wires in a control panel, but it is not always required to label the other types of hardware in the panel to meet code. It is important to understand that any operators that may access this panel at a later date may not understand what the hardware in the panel is intended for. To make the panel is as safe as possible, and to allow operators to function in the panel more efficiently, it is a good idea to label everything that may come into question.