Board Thread:Questions and Answers/@comment-78.142.56.28-20140225210633/@comment-78.142.56.28-20140226185205

It's on Single Survival Player (SSP). About the cables too, but ok, thank you for the answer, I didn't know it. :)

I don't think it's a server lag though – it works perfectly with a pickaxe. And if it is a server lag, it has to be always lagging, because it always returns fewer blocks.