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The dreaded bonding again

Kelly Marie Angel

Sorry for this but my boiler recently had her annual service all was well except they said I don't have any bonding in place except I think I do the gas main is bonded in the meter cupboard and the radiators and hot and cold water feeds are all bonded in the bathroom upstairs. All pipework is copper throughout the plumbing never been altered in 40 years except for a new boiler oh and removal of the water tanks. So can I be confident the bonding upstairs is good enough? 

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    So why are you saying the regulation does not apply to external gas meters. It's an “or” not a “shall”.

     

    544.1.2 The main protective bonding connection to any extraneous-conductive-part such as gas, water or other metallic pipework or service shall be made as near as practicable to the point of entry of that part into the premises. Where there is a meter, isolation point or union, the connection shall be made to the consumer’s hard metal pipework and before any branch pipework. Where practicable the connection shall be made within 600 mm of the meter outlet union or at the point of entry to the building if the meter is external.

     

    Which regulation are you talking about?

    As I said the 600mm. only applies to internal meters - normally the gas.

    or at the point of entry to the building if the meter is external.

     

    Either way - bonding on the outlet (consumer's) side of the meter is incorrect electrically as (for internal meters) the extraneous-conductive-part (if it is an ext-c-p) is the supply side pipe where it enters the premises.

     

     

Reply
  • 0


     

    So why are you saying the regulation does not apply to external gas meters. It's an “or” not a “shall”.

     

    544.1.2 The main protective bonding connection to any extraneous-conductive-part such as gas, water or other metallic pipework or service shall be made as near as practicable to the point of entry of that part into the premises. Where there is a meter, isolation point or union, the connection shall be made to the consumer’s hard metal pipework and before any branch pipework. Where practicable the connection shall be made within 600 mm of the meter outlet union or at the point of entry to the building if the meter is external.

     

    Which regulation are you talking about?

    As I said the 600mm. only applies to internal meters - normally the gas.

    or at the point of entry to the building if the meter is external.

     

    Either way - bonding on the outlet (consumer's) side of the meter is incorrect electrically as (for internal meters) the extraneous-conductive-part (if it is an ext-c-p) is the supply side pipe where it enters the premises.

     

     

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