How to Choose a Lightning Protection System Malaysia

TAKO since 1979: How to Choose a Lightning Protection System Malaysia 

How to Choose a Lightning Protection System Malaysia 

Today, TAKO, a leading solutions provider of Lightning Protection, is going to answer “How to choose a lightning protection system Malaysia”. TAKO since 1979 is Malaysia’s sole distributor of Telebahn SPD, and they provide a total lightning protection solution to keep your property safe.

Why You Should Choose TAKO Lightning Protection System Malaysia

TAKO LPS
How to Choose Lightning Protection System Malaysia

The Prudent Choice: A Decision-Making Framework

The process for selecting an LPS in Malaysia must be systematic and professionally guided. The first step is to engage a qualified professional to conduct a comprehensive lightning risk assessment in compliance with MS IEC 62305-2. This assessment will determine the required Level of Protection (LPL) and provide the technical justification for the entire design.

Based on the LPL, the most suitable and standards-compliant technology is selected. For the vast majority of applications, this will be a conventional LPS designed using the Rolling Sphere, Mesh, or Protection Angle methods, combined with a coordinated SPD system.

Choosing the Right Materials

The selection of materials for the LPS components is critical to its long-term effectiveness and durability. All materials must be resistant to corrosion and should not form an electrolytic couple that could cause corrosion in the presence of moisture. For conventional systems, down conductors are typically made of high-conductivity, annealed copper or aluminum tape. For structural bonding methods, which are commonly used in government projects, galvanized steel iron is used as the down conductor.  

For the earthing system, deep-driven earthing rods (at least 3 meters in total length) are the preferred method. In locations where this is not possible, a matrix arrangement of coupled rods can be used, with a total length of at least 9 meters. Soil conditioning agents such as Bentonite or Marconite may be used to improve ground conductivity.

Installation and Commissioning: The Criticality of Qualified Professionals

The effectiveness of an LPS is highly dependent on the quality of its installation. It is a legal and professional requirement that all design, installation, and testing of an LPS be carried out by a competent person certified by Suruhanjaya Tenaga (ST). An improperly installed system by an unqualified contractor can be more dangerous than having no system at all.

Ideally, the LPS should be installed concurrently with the building’s construction to ensure seamless integration into the overall electrical design. The installation process involves strategically placing air terminals at the highest points of the structure, routing down conductors along the most direct path to the ground while avoiding sharp bends, and securely connecting the system to a robust earthing network. All components, including test links, must be protected against corrosion and terminated in an earth electrode.

The Importance of Periodic Inspection and Testing

Once installed, an LPS requires ongoing maintenance to ensure its continued effectiveness. The MS IEC 62305 standard mandates periodic inspection and testing. A visual inspection of the system should be performed annually. A more thorough inspection and testing of the earthing system is required every two to four years, or immediately after a severe lightning strike.

The combined resistance of the entire earthing network should not exceed 5 ohms, and the resistance to earth of any single electrode should be below 10 ohms, as tested with the test link removed. This periodic maintenance is essential for verifying the system’s integrity and ensuring it remains compliant with safety standards.

Table 1: Comparative Analysis of External Protection Technologies

TechnologyPrinciples of OperationDesign MethodologiesCompliance with MS IEC 62305AdvantagesDisadvantages
ConventionalPassive system. Relies on the natural formation of an upward leader. Provides a low-impedance path to ground.  Rolling Sphere, Mesh (Faraday Cage), and Protection Angle methods. All are geometrically based.  Yes, the standard is based on these principles. Mandatory for certain buildings in Malaysia.  Proven technology, long history of use, and a design process based on scientifically validated methods.  Requires multiple terminals and extensive conductor networks for large areas, which can be complex and labor-intensive to install.  
Early Streamer Emission (ESE)Active system. Proactively emits an upward streamer earlier (ΔT) to create a larger protection radius.  Often a single, centrally located air terminal, which conflicts with the multi-terminal principles of the MS IEC standard.  No. Despite vendor claims, the underlying principles and common installation methods conflict with MS IEC 62305 and have been scientifically discredited.  Potentially requires fewer air terminals and down conductors, simplifying installation in some cases.  The claimed wider radius and effectiveness are subject to a major scientific debate. Real-world data from Malaysia shows high failure rates. Higher initial cost per terminal.  
Charge Transfer System (CTS)Prevention philosophy. Actively bleeds off charge to prevent a strike from terminating in a designated area.  Uses a network of “dissipation arrays” to lower the electric field strength.  Not specified. Generally considered a niche, non-conventional system.  Aims to prevent a strike, rather than collect it. Backed by specific electrical and physical formulas.  Limited use and not widely adopted in national standards.  

Debunking Common Myths about Lightning Safety

This report will now address and debunk some of the most common misconceptions prevalent in the Malaysian context, directly contrasting the myth with scientific fact.

MythFact
Myth: Tall trees attract lightning and are therefore safe to hide under during a thunderstorm.  Fact: Height, pointy shape, and isolation are the dominant factors controlling a strike point. Being under a tree is extremely dangerous and is the second leading cause of lightning casualties. While a tall tree may partially shield nearby, lower objects, it is never a safe place for a person to seek shelter.  
Myth: Structures or objects with metal, such as jewelry or fences, attract lightning.  Fact: The presence of metal makes no difference to where lightning strikes. The dominant factors are height, pointy shape, and isolation. However, since metal is an excellent conductor, one should stay away from metal fences, railings, or bleachers, as they can conduct a lightning current from a nearby strike.  
Myth: A lightning victim is electrified and cannot be touched.  Fact: The human body does not store electricity. It is perfectly safe to touch a lightning victim and administer first aid, such as CPR. This myth is particularly dangerous as it could lead to hesitation in providing life-saving assistance.  
Myth: A house is 100% safe from lightning.  Fact: A house provides a substantial level of safety, but it is not absolute. To be truly safe, one must avoid anything that provides a conductive path to the outside, including corded phones, electrical appliances, water pipes, metal doors, and windows.  
Myth: Early Streamer Emission (ESE) systems are a modern, superior form of lightning protection.  Fact: Scientific studies and real-world field data, particularly from Malaysia, have consistently discredited the claims of ESE technology. Buildings equipped with these systems have been repeatedly struck by lightning, and the technology is not compliant with the core principles of the MS IEC 62305 standard.  

A Path to Prudent and Compliant Protection

The process of selecting and implementing a lightning protection system in Malaysia is an exercise in professional due diligence and adherence to a scientifically validated, legally enforced standard. Given Malaysia’s status as a global lightning hotspot, a comprehensive and proactive approach is not an option but a necessity. The foundation of this approach must be the MS IEC 62305 standard.

How to choose a lightning protection system?

Regardless of the type you choose, it’s crucial to ensure the system complies with recognized standards like NFPA 780 or IEC 62305. Ultimately, the best way to ensure proper selection and installation is to hire a certified lightning protection contractor. They can perform a detailed risk assessment and design a system that is effective, safe, and compliant with all relevant codes.

What factors determine if I need a lightning protection system?

You should consider your location’s lightning activity, your building’s height and construction, and the value of its contents. Structures in high-risk zones, and those with sensitive electronics, are top priorities.

What are the key components of a lightning protection system?

A complete system includes air terminals (lightning rods), conductors to channel strikes, a proper grounding system to dissipate current, and surge protection devices for electrical equipment.

Disclaimer

The information contained in this blog is for informational and marketing purposes only and should not be taken as professional advice. Our focus is on providing comprehensive LPS total solution services. This service encompasses a wide range of solutions to design, install, and maintain a complete lightning protection system tailored to your specific needs. For any questions or to discuss your specific lightning protection needs, please contact us directly.