Earthing is the most important factor to lightning and surge protection, without a proper earth the current will take the path of least resistance and can create havoc in building and structures. The better the earthing the least problems you will have with your lightning and surge protection installations.
Earthing plays the most fundamental role in the operation of the lightning protection system.
- In order to disperse the lightning current into the earth without causing dangerous over-voltages.
- Due to the intensity of the volts, it is very important to use the right material and earthing arrangement. The materials used for an LPS should withstand the electric and the electromagnetic effects of the lightning current and predictable tensions without being damaged. From earthing rods to earthing boxes and a variety of other earthing material for example: earthing mats, earthing cement, copper rods, earthing wire etc. are implemented.
- Horizontal ring earth electrode should be buried at a depth of at least 0,5m but not within 1m of the walls of the structure.
- With the resistivity that differs from sites there are several earthing arrangements to be done.