The National Grid has been fined more than £3million after its failures left a father-of-two with life-changing injuries from working on a pylon in South Wales. Justin Hollins was working replacing step bolts on the pylon at Treforest Industrial Estate in Pontypridd, when he received an electric shock of 33 thousand volts. The 50-year-old sustained burns to 40 per cent of his body, including to his arms and legs, and also lost part of his right buttock....