Grounding socket on the old riser pipe

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The situation with the ground, which seemed simple, turned into incomprehensible. That's why.

I asked the good qualified electrician: Can be grounded household outlet in the bathroom of the old metal pipe for hot water, which is not used for more than 20 years? His answer was: "Yes, I read about it in the rules."

That's exactly what I did. In the picture above (Photo 1) And have the pipe, which is connected to yellow wire. The house has ground and never was, that "invented".

That the right to speak

Once it is drawn to see what they say in the EMP and that's what found:

1.7.110. Shall not be used as a grounding... sewer pipes and central heating. These limitations do not exclude the necessity of joining such pipes to a grounding device to equalize potentials according to 1.7.82.

The idea is clear - to ground on the heating pipe can not, but I do not have heating, a former hot water. A further point of the Rules, just above, admits:

1.7.109. B can be used as a natural grounding ... 2) metal water pipe, laid in the ground... 6) other persons in the land of metal structures and facilities.

I guided by that old water pipes at the bottom of the riser really "I laid in the ground."The thing is done already and a niche with a pipe lined with tiles. And what do you think about this?

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