Discuss Metal table bonding in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
Under the 15th the Niceic as well as councils were both instructing us to bond sinks, i cant honestly remember if the reg' actually existed but the believe was strong enough for the governing boards to enforce it.It's never been a requirement....15th or otherwise....the same applies to sinks etc.....it's just that in recent years a lot of the bonding myths have been exploded..What makes you think they need bonding?
Under the 15th the Niceic as well as councils were both instructing us to bond sinks, i cant honestly remember if the reg' actually existed but the believe was strong enough for the governing boards to enforce it.
Worse one for us was a Clark of works instructed us to bond the metal capping before the plasterer got in, we were in disbelieve but his instruction is always the rule on site, but yes this was in the silly era around the 15th edition, im so glad it all done as it was a pain drilling holes in all the spoons to fit the earth tail on :90:
I'm so glad all this bonding is no longer necessary - I used to find the earth bond on my watch strap very constricting.
Is that why metal tables are bonded? So you can work on PCBs on them without frying silicon chips? Do we no longer do it because it stopped chefs from frying potato chips?that's your anti-static band. stops you from frying silcon chips when working on pcb's.
Regardless of the edition in force at the time, as the table is not an extraneous conductive part, any green and yellow would be earthing, not bonding, and therefore should be removed.If a kitchen that is wired to 15th edition gets a new metal table, will that mean the kitchen needs to be rewired to 17th edition to make it comply with current regs without having to bond the table?
You know this is coming in a future regs at some point hahawhy stop at bonding a metal table ?
maybe the brass house numbers on the front door need earthng as well ffs.
I see. Are we also supposed to rip out any bonding at the hot water cylinder? How about the main gas and water bonding?Regardless of the edition in force at the time, as the table is not an extraneous conductive part, any green and yellow would be earthing, not bonding, and therefore should be removed.
Extraneous conductive part. A conductive part liable to introduce a potential, generally earth potential, and not forming part of the electrical installation.
Not unless it was in contact with true earth (the planet).Would a metal table in a commercial kitchen not fall into this category and therefore have required bonding under previous editions of BS7671?
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