The issue of grounding is technically quite detailed in Electrotechnical Standards EN62305. It is absolutely certain that every (working) power line pole is designed in accordance with them and in specified intervals inspected.
Ang isyu ng saligan medyo technically detalyadong sa Electrotechnical Pamantayan EN62305. Ay ganap na ang ilang Na bawat (pagtatrabaho) mga patlang sa linya ng kapangyarihan ay dinisenyo ayon sa kanila at siniyasat sa tinukoy agwat.