Bonding Radiators

Many thanks to all the people who showed patience with my questions , thanks , i am a sparky but have been away from installation work for about 15 yrs as i am a maintenance chap so am trying to understand the new regs hence doing the 17 iee regs at college but am finding it confusing with the bonding etc.
 
Yes, I think you are.

The key point is the meaning of the word "introduce". See (3) below. But I'm not going to get into a semantics war - I'll leave that to someone else.

introduce verb (introduced, introducing) 1 (usually introduce someone to someone else) to make them known by name to each other, especially formally • I'll introduce you to Joe tonight. 2 to announce or present (eg a radio or television programme) to an audience. 3 to bring (especially something new) into a place, situation, etc for the first time • introduced flexitime. 4 to bring into operation, practice or use. 5 to put forward or propose (a possible law or bill) for attention, consideration or approval. 6 (usually introduce someone to something) to cause someone to experience or discover something for the first time • I introduced Nick to the delights of Graham Greene. 7 to start or preface • Introduce the play with a brief analysis of the plot. 8 (usually introduce one thing into another) to insert or put something into something else. introducible adj.
 
"I introduced Sharon to the practice of...."

But seriously, holmslaw - I've lost the plot regarding what you're arguing about.

What do you think you're being told that conflicts with what you believe the regs to say and what you believe everybody does?
 
OK - so explain what you think is being said to you that is at variance with the facts.

For I cannot for the life of me see where people are telling you things which don't fit with what the regulations say.
 
Not just pme where you need main equipotential bonding in place, it should be installed where appliccable in all EEBADS system.
The idea behind equipotential bonding is to ensure all paths which can introduce a potential into the equipotential zone are bonded together so in the event of a problem the potential of all the items in the premises will raise simultaneously. This reduces the touch voltage between parts, reducing the risk.
 
People are make statements as if they are facts applicable to all buildings.

Are they? I rather think they are making statements in the context of the OP, and my reply was clearly qualified as referring to a domestic installation.
 
"If the piping is plastic you do not have to bond them.

If the piping is copper then link all the pipes around the boiler together using earth clamps and 4mm earth cable."

The reg is 413-02-02, it quite clear, unambiguous, doesnt mention bathrooms, kitchens or special locations.

You are wrong.

As mentioned that reg is Main Equipotential Bonding, which has nothing to do with special locations, or supplementary bonding, for that matter. Furthermore in (most) domestic situations should be 10 sq . mm, not 4mm, and should be connected back to the MET. Supplementary bonding is only required in Special Locations, so unless the boiler is in a room containg a bath or shower then no further bonding is required other than the usual Incoming water/gas etc. I bet you like to put coils on yours too, plumbers seem to like doing that , when "cross bonding" at the boiler for some unknown reason !
 
davelx - did I mention you - have I referred to you - take your foot out of your mouth!

You mentioned no-one by name - just "People". I sometimes think I am a person - sorry if I am deluding myself. :)
 

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