LOOKING UP
Looking up through the gigantic structure of a pylon.
The National Grid pylons are a minimum height of 118 ft / 36 metres, while the tallest are 623 ft / 190 metres, these cross the River Thames between Essex and Kent.
[ Taller than the BT Tower
In London ] which stands at 620ft / 189 metres. The operational life is about 80 years, but the conductors, insulators and fittings only last around 40 years.
LOOKING UP
Looking up through the gigantic structure of a pylon.
The National Grid pylons are a minimum height of 118 ft / 36 metres, while the tallest are 623 ft / 190 metres, these cross the River Thames between Essex and Kent.
[ Taller than the BT Tower
In London ] which stands at 620ft / 189 metres. The operational life is about 80 years, but the conductors, insulators and fittings only last around 40 years.