Power surges called the TV pickup are unique to Britain. The engineers at the National Grid control centre brace themselves each time Eastenders ends and 1.75 million kettles get switched on.

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Story: Tea-time Britain

Duration: 4:51

Power surges called the TV pickup are unique to Britain. The engineers at the National Grid control centre brace themselves each time Eastenders ends and 1.75 million kettles get switched on.

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