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AAaaahhhhh. The Bonding Question Again.

Zoomup
Do we main bond up an installation if a new gas boiler is to be installed when the old one is removed?


What are extraneous-conductive-parts, and what are not?


Now, to put a spanner into the works, do any issues arise if the copper pipes are "bonded" with solderless copper bonding?


Otto von Guericke would have known this for sure.


Over to you?


Look......




Z.


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  • 0

    We had a question about this matter recently. Re. The need for main bonding if it is not present and a new gas boiler is installed.


    Is this glue electrically conductive or not? At first glance we may assume that copper pipes are electrically continuous but in reality may not be. So some runs of copper pipe may be earthy and assumed to be bonded but due to the insulating properties of the glue, if it is indeed so, may not be bonded.

     




    I have said in another thread that the Main Bond is an electrical matter and nothing to do with the working of the boiler.


    As for the 'glue', it does not matter whether it is electrically continuous or not as long as the pipe is bonded at its point of entry.

    The pipes are not generally treated as Exposed-Conductive-Parts so don't need to be earthed. The boiler to which they are connected will be earthed.

    It would be better if all the joints were insulating.

     

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  • 0

    We had a question about this matter recently. Re. The need for main bonding if it is not present and a new gas boiler is installed.


    Is this glue electrically conductive or not? At first glance we may assume that copper pipes are electrically continuous but in reality may not be. So some runs of copper pipe may be earthy and assumed to be bonded but due to the insulating properties of the glue, if it is indeed so, may not be bonded.

     




    I have said in another thread that the Main Bond is an electrical matter and nothing to do with the working of the boiler.


    As for the 'glue', it does not matter whether it is electrically continuous or not as long as the pipe is bonded at its point of entry.

    The pipes are not generally treated as Exposed-Conductive-Parts so don't need to be earthed. The boiler to which they are connected will be earthed.

    It would be better if all the joints were insulating.

     

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