Document RevisionsRevisions to the IALA Document are to be noted in the table prior to the issue of a revised document.Date Page / Section Revised Requirement for RevisionDecember 2005 Entire document Reformatted to reflect IALA documentation hi

A lightning arrester, also known as a surge arrester, is a device that protects electrical systems and equipment from lightning strikes and electrical surges. It is compulsory on buildings for several reasons:1. _Protects against lightning strikes_