Just in case anybody interested, I did some more research and found the following:
1-Number 1 reason is the difficulty of changing broken bells on a deadend structure-so practice is to put more bells than needed just to be able to afford (utility prcatice) one or two broken bells without having...
jghrist,
Any explanation on why/how the lightning surge increases/doubles on deadends? Is it due to the shape of the conductor, i.e. deadend conductor is cut and continue through a compression or bolted clamp? I find it interesting that this is not called in any of the standards I am aware of...
Hi,
It is a typical practice to add additional bells on deadend or heavy angle structures. I thought this was just a mechanical requirement, i.e. it is much more difficult to replace a broken bell on a deadend or heavy angle insulator string due to conductor tension, so you can afford a broken...
