Power Cuts

Trade and Industry written question – answered on 25th October 2005.

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Photo of John Hemming John Hemming Liberal Democrat, Birmingham, Yardley

To ask the Secretary of State for Trade and Industry what assessment has been made of the possible implications for the operation of medical equipment of a cut in mains voltage during a one in 50 cold winter.

Photo of Malcolm Wicks Malcolm Wicks Minister for energy, Department of Trade and Industry

Medical equipment is designed to operate at the standard supply voltage and within the statutory limit for the UK of plus 10 per cent. minus 6 per cent.

In NHS hospitals, where the supply voltage falls to a value likely to give rise to danger or equipment failure, then automatic systems disconnect the network supply and revert to a stand-by generator supply until the network is restored to a sustained normal value.

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