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Earth bonding to bathroom radiator.


 
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irrelevant

from United Kingdom

Joined: 19 Jan 2009
Posts: 12
Location: Manchester,
United Kingdom

PostPosted: Thu Jan 22, 2009 11:50 pm Reply with quote

We've just had our central heating re-done (lots of problems, but that's another story.)

The electrician who wired up the boiler and did the earth bonding on all the supply pipes, added a sticker saying (roughly) "earth bonding to bathroom radiator was not done as resistance to pipes measured 0.00 ohms".

They replaced the radiator as part of the heating install, but just connected it to the existing pipework.

I'd not thought about it up to this point, but the bathroom was remodelled a few years back, and they moved this radiator and used plastic pipes to do so.

Sure enough, putting a multimeter from the radiator to the cold water pipes elsewhere in the bathroom shows an open circuit (infinite resistance.) I DO get virtually zero ohms from the radiator to the chrome plated pipes underneath it, but these are connected to plastic under the floor, so it's isolated electrically from the rest of the pipework.

So .. should the radiator have been earthed, (probably originally when it was moved) and why?
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Taylortwocities

from United Kingdom

Joined: 27 Jul 2006
Posts: 12490
Location: Oxfordshire,
United Kingdom
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PostPosted: Fri Jan 23, 2009 12:06 am Reply with quote

No supp bonding to rads required if there are plastic pipes feeding the rad.

Did the electrician do any electrical work in the bathroom? Or was checking the bonding the only thing he did there?
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irrelevant

from United Kingdom

Joined: 19 Jan 2009
Posts: 12
Location: Manchester,
United Kingdom

PostPosted: Fri Jan 23, 2009 8:08 am Reply with quote

Taylortwocities wrote:
No supp bonding to rads required if there are plastic pipes feeding the rad.

OK, that's put my mind at rest. I guessed that might be the answer, especially after reading other threads on here. (Don'tcha just love the "Similar topics" box at the bottom that only appears after you've posted your new thread..) It does appear though that the sticker he added is misleading.

Quote:
Did the electrician do any electrical work in the bathroom? Or was checking the bonding the only thing he did there?

Nope, I think he just checked what was there.
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Taylortwocities

from United Kingdom

Joined: 27 Jul 2006
Posts: 12490
Location: Oxfordshire,
United Kingdom
Thanked: 1028 times

PostPosted: Fri Jan 23, 2009 6:16 pm Reply with quote

irrelevant wrote:
Don'tcha just love the "Similar topics" box at the bottom that only appears after you've posted your new thread..)


Thats true BUT, the best way to use this forum is to use that fantastic button at the top called "Search"

Think of your topic, type it in Search and get the answer, then we can all just post on FaceBook in our spare time... icon_wink.gif
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