On 24/04/2017 06:53, F Murtz wrote:
wrote:
On Sunday, 23 April 2017 09:21:57 UTC+1, F Murtz wrote:


I have a strange situation in my bathroom, all the copper water pipes
are bonded to earth externally but I sometimes get a tingle to taps when
standing in the shower, (About 5 volts measured from metal round drain
to taps)
I can only assume that when the house was built(on concrete slab) the
reo steel in the concrete was not bonded to earth which is a requirement
today

You need to fix that.


NT

I can not be bothered at the moment am not the slightest bit worried
that it is ever going to electrocute anyone, Some day I may jackhammer a
bit of concrete to expose some reo and bond it,


I would not bother.

If anything you bond the metal waste pipe (UK regs)

--
Adam