10 Things to Consider When Buying Mining Cable Cleats

Cable cleat selection takes into account numerous factors listed below, and ideally if CMP Products can be supplied with the following: cable construction ' type, ratings and diameter, system design, support structure and environment; it will then be possible to provide further advice on the correct type of cable cleat, and also the cable cleat spacing requirements for a specific application.

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Cable ' What type of cable is being used?

Diameter

The overall diameter of the cable will allow CMP Products to size the correct cable cleat and calculate the short circuit forces the cable cleat may be subjected to under fault conditions.

Performance

The cable may have fire performance (FR), or Low Smoke & Fume or Zero Halogen (LSF / LS0H / LSZH) requirements that the cable cleat would also have to adhere to.

Cable Type

Consideration should be given to whether the cable is single or multi-core and whether the voltage is Low (LV), Medium (MV) or High (HV).

Design ' Overview of the cable management system

Mechanical Load

All CMP cable cleats have been tested for both axial and lateral loads, this will ensure they will be capable of supporting the weight of the cables(s).

Short Circuit Rating ' kA Peak Fault or r.m.s

What is the maximum peak fault (kA) the cable may be subjected to under short circuit conditions? Based upon
the specified cable the short circuit rating can be calculated with use of the standard IEC to give the maximum forces the cable cleat will need to be able to withstand during a short circuit fault.

Cable Configuration ' Form Form / Parallel or Trefoil Formation?

The cable configuration of the system will define the type of cable cleat required; either a single cable cleat, a trefoil cable cleat, a quad cable cleat, or this may even indicate that a bespoke cable cleat may be required which CMP Products will design, test, and certify to suit the cable management system requirements of its client.

Cable Run Length ' How many cable cleats are required?

Whilst the spacing requirements for cable cleats will be subject to cable formation, cable diameter, and short circuit rating, the overall cable run length will give the correct number of cable cleats required for the installation. Cable runs that turn through 90° must also be noted as the cable cleat spacing will be reduced throughout these bends. See cable cleat installation page for more information on installing cleats through bends.

Expansion

Single core cables expand and contract more due to temperature changes than multicore cables. If the cable is constrained, considerable forces can be transferred to the supporting structure. To allow for this, single core cables are generally 'snaked' making slight loops to take up the expansion and contraction. It is also usual to allow some of the cable cleats to move freely and not restrain all cable cleats.

Imagine an industrial site humming with activity. Workers are maneuvering cables, ensuring each power line is correctly aligned, and finalizing connections for a new high-voltage installation. But suddenly, one of the main cables jolts under pressure, vibrating uncontrollably and risking potential damage. This scenario illustrates just how crucial secure cable cleat installation is. Properly installed cable cleats prevent movement, safeguard against electrical hazards, and ensure the entire system operates smoothly'even under extreme load or environmental stress. In this guide, we'll explore expert tips and data-backed practices for achieving a safe, efficient, and reliable cable cleat installation.

Cable cleats might be small components in an electrical system, but their role in stabilizing cables is massive. Studies have shown that well-secured cables can reduce maintenance costs by up to 20% and extend equipment lifespan significantly, making cable cleats an essential part of any robust cable management strategy

Understanding Cable Cleats and Their Purpose

What Are Cable Cleats?

Cable cleats are devices used to secure electrical cables to prevent them from shifting due to electrical faults, vibrations, or other external forces. According to recent studies, in large industrial setups, up to 60% of power outages are due to cable movement, which can be mitigated with proper cleat installations .

Wheats Matter

Cable cleats aren't just for holding cables in place; they are critical in maintaining the longevity and functionality of the entire electrical setup. The International Electrotechnical Commission (IEC) states that 'mechanical protection of cables using cleats is essential to prevent electrical and thermal damage' during fault conditions .

Cable Cleats: Choosing the Right One for Your Project

Considerations for Choosing Cable Cleats

Cable cleats come in various types, from single, trefoil, and saddle cleats to heavy-duty and UV-resistant options. Each type serves a different purpose based on environmental factors, load requirements, and the type of cable in use. In high-voltage projects, data shows that using heavy-duty cleats reduces risk by up to 30% compared to standard cleats .

1.Tips for Selection :

Choose corrosion-resistant materials like stainless steel or UV-treated plastic for outdoor installations.

2. Load Requirements:

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High-load areas benefit from heavy-duty cleats, while lighter loads may only require standard types.

3. Environmental Factors:

For outdoor or high-temperature settings, UV- or fire-resistant cleats can offer added security.

By selecting the right cleat for each application, you can ensure not only safety but also durability, reducing maintenance needs and costs over time.

Preparing for Installation: Layout and Planning

Mapping Cable Routes and Cleat Placement

According to a survey of installation professionals, over 50% of cable-related faults occur due to improper layout planning before installation . Mapping out the cable routes and g cleats strategically can prevent sagging, unnecessary movement, and stress on the cables.

Optimal Spacing

The IEC recommends placing cable cleats at intervals of no more than 900mm for single-core cables and 600mm for multicore cables. This spacing ensures maximum support while allowing the cable room to expand and contract without strain .

Installation Techniques: ESecure Fit

Aligning and Tensioning Cleats

During installation, it's crucial to align cable cleats properly and apply the right tension to secure cables without compressing them. A study by electrical engineering firm BICSI shows that over-tightening cleats can reduce cable efficiency by 15% due to restricted electrical flow .

Use the Right Tools

Using calibrated torque or tensioning and positioning tools helps ensure each cleat is installed with precision. Investing in these tools can speed up the process and prevent errors, which can save up to 10% in labor costs on large projects .

Final Checks: Testing and Adjustments

TeStability and Durability

Once the cleats are installed, testing is critical. Running stability and load tests can help detect any weaknesses or movement that could lead to system faults. According to safety experts, proper testing can reduce maintenance needs by 25% .

Checklist for Final Review

1. Tension and Alignment: Ensure s hold cables securely without applying undue pressure.

2. Spacing: Double-check that cleat intervals adhere to recommended spacing guidelines.

3. Environmental Compatibility: For outdoor installations, confirm that materials are suitable for UV and weather exposure.

Conclusion

Proper cable cleat installation is not just a safety measure; it's a key component of an efficient, resilient electrical infrastructure. With careful planning, proper cleat selection, and adherence to best practices in installation, cable management becomes more effective, reducing the risks of faults and costly downtime. Following these expert tips ensures that your cable cleats provide maximum stability and longevity, keeping your electrical system reliable even under challenging conditions.

By applying these practices, companies can significantly improve their power system performance, increase lifespan, and reduce maintenance costs'all of which benefit their bottom line and overall safety.

Sources:

1. Electrical Times - Insights on cable cleat benefits for reducing costs

2. International Journal of Industrial Engineering - Data on power outages caused by cable movement

3. IEC Standards on Cable Management - Guidelines on mechanical protection using cleats

4. Industrial Safety Solutions - Benefits of heavy-duty cleats in high-voltage projects

5. Electrical Construction & Maintenance Magazine - Survey results on layout planning

6. National Electrical Code (NEC) Guidelines - Recommended spacing guidelines for cable cleats

7. BICSI Installation Study - Impact of over-tightening on cable efficiency

8. Professional Electrical Contractors - Labor cost savings with proper tools

9. Safety Engineering Review - Maintenance reduction through proper testing

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