We have just had a water meter fitted and the leaflet from the water company warns that ‘earthing’ on our electrical supply may no longer be effective.
Why is this and what should we do?
Sometimes, particularly if your electric supply is via overhead cables, the incoming main water pipe was used as an earth connection.
New water meters and modern underground water pipes are plastic which is non-conductive and can block or reduce the capacity of the earth connection.
Ask an electrician to check your earth capacity and fit an independent earth rod if necessary.
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