This is my personal opinion getting from basic information to protect equipment from lightning surge.
Home /Standard /Amount of SurgeThe table shows 4 cases of lightning, Structure, Near a structure, Service connectd to he strucuture and Near a service.
The table shows expected surge currnt at different conditions. It indicates that direct lightning on power lines will be 10kA per line at LPL 1. SPD intalled this area requires to take care of the surge current.
The table shows expected surge currnt at different conditions. It indicates that direct lightning on telecom lines will be 2kA per line at LPL 1 and induced surge current in a building is 10kA. SPD intalled these area requires to take care of the surge current.
Again contents in this Web site is my Personal Opnion. I did my best for the contents of this site, but may have some mistakes. We applogize if such things happen. Please remember that we will Not Take Any Resposibilties, even if you take countermeasures for lighting surge following on this contents and have any damage directly on your equipment and/or some other seconday damages.Please do any lightning protection based on your own resposibilty.