Tag: lightning protection

House Earthing – Design & Testing

Earthing connects all the major electrical equipment in our house such as fridge, AC, washing machine, grinder to the ground. So when there is an event of a power surge or lightning strike the extra current formed in the system is easily drawn down to the earth, protecting them from ...

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Earth Mats

Earth Mats – Why do we need them?

An Earth Mat is a mesh formed of bare metallic conductors and buried in shallow soil to provide better safety from touch and step potential. Earth mats are a part of the grounding system implemented in substations, production plants, industrial areas, etc., where high power handling occurs. More efficient grounding ...

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Pipe Earthing

Pipe Earthing VS Chemical Earthing – Explained with Diagram

Electrical circuits are involved with an adequate amount of energy to cause electric shock hazards in case of a fault. A fault can occur due to power surges, leakages due to faulty equipment, lightning strikes hitting directly or indirectly and so on. So it is necessary to focus on the ...

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Installation of Lightning Conductor – Step by Step Guide

A lightning conductor is a thick copper wire or rod fixed onto the tallest point of a building and connected to the ground using a long metallic rod. It protects the building from lightning strikes by providing a low resistance path for the current to flow to the earth rather ...

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Earthing - Bonding

How are Earthing and Bonding different?

Earthing and bonding are two technical terms we come across when we deal with the safety aspect of an electrical system. We have all heard about earthing that is done for safety purposes during the electrical installation, but do we give much thought when it comes to electrical bonding. Both ...

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Exothermic Welding

How to Use Exothermic Welding?

Exothermic welding, also known as exothermic bonding, thermite welding (TW), and thermit welding, is a welding technique that permanently joins conductors using molten metal. An exothermic reaction of a thermite composition heats the metal, and no external source of heat or current is required. An aluminothermic reaction between aluminium powder ...

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Down Conductor

Role of Down Conductors in Lightning Protection

The electrically conductive connection between the air-termination system and the earth-termination system is the down conductor system. The purpose of down-conductor systems is to safely transport intercepted lightning current to the earth-termination system without causing excessive temperature spikes that could harm the structure. It must be mounted to ensure that ...

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Earth Pit

Earth Pit – Technical Aspects & Construction

An Earth Pit is a type of enclosure used in earthing systems to access and maintain the earth electrodes and other components of the earthing system. It is a type of underground box, typically made of reinforced concrete, that is installed at the site of the earthing system. The Earth ...

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Essentials of Neutral Grounding System

Objective: Indian Standard IS: 3043 – 2018 says the following: Earthing refers to the complications which arise when electricity conducts via the ground. The terms earth and earthing here are used whether (or not) the earth is employed as a low impedance ...

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SS Earth Rods

Importance of Stainless Steel Earth Rods

Scope: Earth rods constructed of austenitic stainless steel according to British specifications. Stainless steel rods are comparable to copper rods; however, they are more anodic than copper and can be used when galvanic corrosion is a concern. The current carrying capacity of stainless-steel rods is lesser as compared to copper. ...

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