Cable cleats can prolong the lifespan of cables and reduce the severity of short circuits, making them a hugely effective addition to your cable installations.

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But what are cable cleats and when should they be used? In this guide we&#;ll answer those questions, as well as looking at some of the different types of metal cable cleats and plastic cable cleats currently on the market.

What are cable cleats?

Cable cleats are devices &#; usually in the form of metal or plastic straps &#; that secure cables in position at intervals along their length.

There are two main reasons to do this:

1. Hold cables together

A cable cleat can be used without a mounting surface, simply as a way to hold cables together. For example, many Prysmian cable cleats feature a triangular or trefoil shape, suitable for securing three cables together at intervals.

This can reduce damage in the event of a short circuit, by preventing the affected cable from recoiling and allowing for a much smaller repair to be carried out.

2. Secure cables to a surface

When used with a mounting surface, cable cleats can fix cables together AND in place, or may be used to hold a single cable on a particular surface.

Surfaces may include beams, rails, struts, wires, trays and ladders, and cable cleats are supplied as standard with a means of attachment to any suitable mounting surface.

When should you use cable cleats?

One of the biggest applications of cable cleats is to prevent cables being damaged under their own weight. Especially with thick industrial cables, long spans can be very heavy, putting extra strain on the terminations.

Cable cleats attached to a mounting surface relieve the cable of bearing this weight, supporting it at regular intervals as required so that the forces exerted are dissipated into the mounting surface, rather than into the cable and its terminations.

As mentioned, cable cleats can be used without a mounting surface. This still allows cables to be held together &#; like an industrial cable tie &#; and can improve safety in the event of a short circuit.

Types of cable cleats

There are two main types of cable cleats: metal cable cleats and plastic cable cleats. Each has its own advantages and applications.

Metal cable cleats

Metal cable cleats can be used to secure individual cables (e.g. the Prysmian 370 Aluminium Claw Cleat) or multiple cables, usually in a trefoil or &#;triangle&#; formation.

You can choose between different metals, including non-conductive aluminium cable cleats, stainless steel cable cleats, and products like the Prysmian 379 Sirius Cleat which includes an LSOH (low smoke, zero halogen) lining.

Plastic cable cleats

Plastic cable cleats like the Prysmian 385 Telcleat can be used with cables of varying diameters, to secure the cable in place with a UV and weather-resistant fixing point that can be double stacked to hold two cables on a single fixing.

Specifications will vary between different products, but with wide operating temperature ranges and excellent durability, plastic cable cleats can be an affordable way to secure cables in position in harsh and industrial environments.

How to specify cable cleats

When specifying cable cleats, there are several characteristics you may need to select. First and foremost, think about the cables you want to secure, and the kinds of protection they need.

Materials

As mentioned, there are a variety of different metal cable cleats and plastic cable cleats, including some LSOH-lined products like the Prysmian 379 Sirius Cleat. Choose materials suitable for your environment and for the type of cable you want to secure.

Cable Diameter

Cable diameter is one of the most straightforward specifications. Some items, like the Prysmian 370 Aluminium Claw Cleat, give you the option to specify diameter when you place your order, ranging from 10mm up to 51mm at approximately 3mm intervals.

Epoxy coating

An epoxy coating option on products like the Prysmian 370 Aluminium Claw Cleat can offer increased longevity in harsh outdoor environments, and this can be specified when placing your order.

Epoxy coating is also standard on some harsh and industrial cable cleats, such as the Prysmian 376AC Libra Cleat, so check the technical specifications or contact our technical team if you want to verify this before ordering.

Conclusion

Cable cleats are an essential investment if you are installing long spans of cable in harsh and industrial environments. They can hold cables in place, reduce the risk of damage under their own weight, and improve outcomes in the event of a short circuit.

Link to Langnuo Mining Equipment

With cable cleats available in bulk, you can place them at frequent intervals along all your permanent cable routes, reducing the load on your cables quickly and easily, and providing peace of mind for personnel working in the surrounding area.

The Importance of Cable Cleats within Data Centers

Panduit Cable Cleats

Cable Cleats in Data Centers

Data Center optimisation requires a reliable infrastructure to address power, cooling, assets, and connectivity challenges. In the below blog Panduit highlight why cable cleats are critical in supporting these vital goals.

In the information age, data centers and their task of continuous, safe storage of data make them critical facilities. If the data center isn&#;t reliable, productivity decreases immensely. Data centers house the organization&#;s most vital and proprietary assets. Hence, they are crucial to the continuity of daily business operations and the power required to operate the data racks in the data centers.

A study by Uptime Institute, an advisory organization, focused on improving the performance, efficiency, and reliability of business-critical infrastructures, surveyed 1,600 owners and operators in the data center sector. Ten percent (10%) of all respondents said their most recent significant outage cost more than $1 million.

Also, nearly 34% of all respondents have had a severe outage in the past three years, causing operators&#; substantial problems. (1) Hence why Cable Cleats help to provide uninterrupted, safe power in the operations of data centers.

Assurance and Insurance Bundled Together

What is a Cable Cleat? Defined by the IEC International standard, a cable cleat is simply &#;A device designed to secure cables when installed at intervals along the length of the cables&#;. (2)

When it comes to a power distribution system, the potential damage from a short circuit fault can be catastrophic &#; resulting in an arc flash event at a piece of equipment or power cables whipping about violently. These types of events pose a serious safety hazard to anyone nearby at the time it occurs, either during the initial power-up or afterward.

However, worker safety and equipment damage concerns are minimized by adhering to proven engineering design criteria and meeting documented codes and standards requirements. The best way to protect personnel and equipment near power cables during a short circuit fault is to restrain the cables.

The technology used in the creation of infrastructure projects continues to receive substantial investment. Still, according to a March survey by Panduit and EC&M, the majority of electrical engineers and electrical contractors are struggling to collectively understand the full benefits of cable management in electrical design&#;and the risks of ignoring it. Short circuit calculations aren&#;t being performed, and proper cable management solutions aren&#;t being specified.

The result is that nearly half of the survey&#;s engineer respondents (48 percent) indicate that cable cleats currently protect none of the power cable they specify. Only 44 percent of electrical contractor respondents specify cable cleats&#; use on their power cable designs and puts the safety, productivity, ROI, and future scalability of entire projects at risk. Seventy-two percent of contractors still depend on plastic zip or cable ties to secure cables, and another 20 percent don&#;t use any cable fixing system. This leaves infrastructure and workers unprotected from potentially deadly damage. (3)

NEC 392.20(C)

In the U.S., NEC 392.20(C) is the National Electrical Code that governs the safety of the cable installations in cable tray. NEC Article 392.20(C) states: &#;Parallel connected single conductor cables shall be securely bound in circuit groups to prevent excessive movement due to fault current magnetic forces.&#; (4). While NEC 392.20(C) includes language for securing cables during a short circuit fault, it does not specify how to design the proper containment system to meet those forces. Often the lack of clear guidelines on short circuit protection in the NEC results in inadequate or no cable containment to protect against short circuit events in tray cable installations.

Europe has been utilizing cable tray systems for several decades and leads the industry in design standards and best practices. As such, the IEC : standard provides the testing methodology and process to ensure the reliability of cable cleats and ultimate protection in the event of a short circuit event. Cable in cable trays is only a safe and viable solution when paired with the right cable cleat solution to protect against short circuit events.

Unfortunately, NEC 392.20(C) does not currently provide adequate guidance on how to securely contain cables in the event of a short circuit when routing cables in a cable tray. To protect electrical infrastructure when using power cables in a tray, installing an IEC :-compliant cable cleat is the best option when facing a peak short circuit fault.

An Undefined Standard

All of Panduit&#;s electrical cable cleats have been third-party validated to meet IEC :.

Because they exceed safety requirements of current U.S. electrical codes, they help future-proof your project against subsequent standards harmonization. Panduit&#;s cable cleat solutions were designed to withstand the stress of a short circuit event using a state-of-the-art ANSYS simulation software to model the dynamic forces at play.

Also, our design and testing process has led to the development of the Cleat kAlculator&#; mobile and desktop app. Many engineers do not specify cable cleats in part due to the necessary, but time-consuming fault calculations required. The Cleat kAlculator&#; streamlines the process significantly by allowing engineers, designers, and installers to determine the correct cable cleat simply by inputting the cable layout, cable diameter, and peak short circuit current.

Data center optimization requires reliable infrastructure to address power, cooling, assets, and connectivity challenges. Protecting personnel and equipment should be an organization&#;s number one priority. With proper specification and installation of cable cleats, these solutions will support the critical goals.

Thorne & Derrick International, based in the UK, are Official Distributors for the Panduit range of cable ties and tools for industrial and hazardous area management of data, telecoms, control, instrumentation and power LV MV HV cables in industrial and hazardous area industries including oil/gas, petrochemical, rail, renewable, construction and mining/quarrying industries &#; this includes stainless steel cable ties used to clamp and cleat cables located in medium/high voltage MV HV onshore and offshore substations.

Thorne & Derrick are national distributors of LV, MV & HV Cable Installation, Jointing, Substation & Electrical Equipment &#; servicing businesses involved in cabling, jointing, substation, earthing, overhead line and electrical construction at LV, 11kV, 33kV, 66kV and EHV. Supplying a complete range of power cable accessories to support the installation and maintenance of low/medium and high voltage voltage power systems:

The company is the world’s best Mining Cable Cleats supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

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