Pylons

Pylons are straight and tension towers, corner tower is a kind of tension tower, the cat head tower is a straight line tower 2, look straight line towers, insulator is vertical suspension cat head tower, tower, insulator is horizontal, used to prevent lianhuan pour tower, line turn 3, voltage depends on the number of insulator, such as 1-2:10 kv, 3 to 5 pieces, 35 kv, 110 kv, 14-16 pieces of 220 kv, 28 500 kv, see more need not number, see approximately.