Published: 24 September 2010
Category: Q&A
Our Voltimum Experts answer your questions on a daily basis in our Technical Expertise area. This Question of the Day concerns the necessity for bonding - or otherwise - of a new steel gas pipe. It is answered by SELECT:
Question: We have been asked to install a gas pipe arrangement as detailed on the supplied sketch (see the attached PDF document). The boiler has an electrical supply, but I don't think that there is any need, electrically, to bond the new steel gas pipe. Can you give me your thoughts?
Click below to download the attachment (.PDF doc - 122kB file size).
Answer: Main protective bonding of incoming services is generally only required if there are extraneous-conductive-parts likely to introduce earth potential, such as where pipes etc. are buried in the ground.
Guidance on establishing whether a conductive part is an extraneous-conductive-part is provided in IEE Guidance Note 8: Earthing and Bonding.
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