A customer of mine is having a new bathroom fitted, and as part of the refurb, he want's to upgrade his shower to a 10.8kW model.
The existing feed was a mix of 4.0mm² and 6.0mm², so I went to rewire it yesterday.
On removing the old shower I found this:

The existing feed was a mix of 4.0mm² and 6.0mm², so I went to rewire it yesterday.
On removing the old shower I found this:
