The specific purpose of the INGESCO lightning rod is to produce ionization directed at the cloud, so that any possible electrical discharge can be channelled from the very beginning. Between the exciter set, which has the ame potential as the surrounding .air, sand on the other hand, the point and the deflector set, which are both at earth potential, a potential difference is stablished. This potential difference will be greater, the higher the atmospheric potential gradient is, and consequently, when the lightning formation is most likely.