In terms of protection against lightning and prevention measures, the 30/30 rule as it is commonly known, is a household measure to protect against lightning strikes. In fact, you wouldn’t have any problem finding information related to the matter with very little research.

Before we start explaining why the 30/30 rule has risks involved and why it is not actually reliable, we would like to clarify first some concepts about what this rule is about and in which ideas this popular belief is based.