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Plastic Piping

Volume 202: debated on Thursday 23 January 1992

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To ask the Secretary of State for Energy what studies have been carried out of the consequences for the safe earthing of electric cookers and other appliances arising from the changeover from the supply of domestic water via lead piping to plastic.

I understand that, as part of the national water metering trials, the Department of the Environment commissioned a study to investigate the change in the earthing characteristics of domestic properties when work is carried out on the water supply pipe in order to install an external water meter.