This new edition of UL 96A includes the following:
Changes to align with NFPA 780
Change to allow use of newer materials that are compatible with membrane roofing systems
Additional exception to replace a previous reference to a Practical Application Guideline (PAG)
New illustration showing zones of protection and applicable computations determined by using the rolling sphere concept
Rewording of the scope to clarify the requirements covering the application and inspection for the installation of lightning protection on all types of new and existing structures
Clarification of the requirements for Protection for Miscellaneous Structures
The terms "inductance and conductance", when referring to metal bodies, was removed, and clarified with terms such as "strike termination devices" and "grounded metal bodies". Also, the requirement for the use of the mega-ohm tester and continuity tester to determine whether a body is isolated was deleted
Requirement modifications to ground terminals located inside a structure, multiple ground rods, and ground ring electrodes
Revision to Common Ground requirement
Revision to zone of protection requirement
Addition of sprinkler lines and galvanized steel
Change in requirement to down conductor
Miscellaneous editorial revisions