Graystone waterproof string Java

The community is really constructive when it come to redstone, but the system still not easy for a lot of players.  On top of that, many others players have a lot of impressive ideas, but one feature of the current redstone make it impossible.Where the super rare graystone string variant, could be use.

Working like a string, it could be use verticaly or horizontaly. Working as the same than the strings, but use as a (new redstone). It could be more easy to pass those string in the walls, hide them underground, and even works in water!

It could be use on long distance, to connect system ... Power a city like in real life. It could need conductors, and players would be able to create some kinds of utility poles.