Supplementary Bonding 2 pipes together?

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4 Feb 2008
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Lancashire
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United Kingdom
The hot & cold pipes from a bathroom radiator go into a airing cupboard. The pipes are so close together they touch each other all the way up into the loft. I want to bond the pipes together and wondered if I can use one clamp around both pipes as they are so close. It seems a bit pointless having 2 clamps with 2 connections just a few millmetres apart.
 
Is it ok to thread the metal tags through each other before tightening .

I have seen that done, and it avoids having the wire link

Not sure if it is allowed though
 
I doubt it, they are not made to be used like that are they?
Connect it properly using the wire connection for the wires and the pipe clamp connection (including the securing nut) for the pipe, not forgetting fitting the warning notice under the nut!!
 
Good grief man, that's nearly twenty pence worth of cable! :x
 
OOI, what hazard do the unbonded pipes present?
 
Unbonded pipes in a bathroom (extraneous cinductive parts) can present a potential different to that of another extraneous/exposed conductive parts. A person who is wet and naked is more at risk to electrocution as their body resistance is lower, hence the reason for supp bonding in a bathroom is installed to limit the touch voltage between parts.
It may be argued only one pipe to the radiator needs bonded, providing electrical continuity is proven through to the other leg, however I think some will tend to err on the side of caution and bond to both.
 
Have you thought about the value of your time, and the disposal costs of the little bits of insulation?
 
not to mention the cost of the wear and tear on your cable stripper or stanley knife blade :)
 
We could be up to over £1 by now...

Will you be doing it in daylight hours, or will you need to turn the lights on?
 

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