Stainless steel kitchen worktops

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joolsmy

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While PA testing a couple of holiday lets I noticed that the stainless steel kitchen worktops were not earth bonded and wondered if they should be. All the workshops, commercial kitchens I've come across have had bonded worktops/benches. Thanks.
 
While PA testing a couple of holiday lets I noticed that the stainless steel kitchen worktops were not earth bonded and wondered if they should be. All the workshops, commercial kitchens I've come across have had bonded worktops/benches. Thanks.
Bonding sinks stopped a long time ago. Commercial kitchens tend to have all surfaces made of stainless steel, and lots of electrical items on them, so there's a much higher risk of a short to the surfaces.
 
Bonding sinks stopped a long time ago. Commercial kitchens tend to have all surfaces made of stainless steel, and lots of electrical items on them, so there's a much higher risk of a short to the surfaces.
Thanks.
 
so.. if its class 2 then it can't become live. if its class 1 then it'll be earthed. end result of a fault would be the same if the bench was earthed or not
My question has already been answered but thanks for you input.
 
you mean 'its not the answer i wanted, but thanks anyway'. sounds about right.
I really just wanted to know what was the best practice regarding installation of metal worktops. Maybe I should have been more precise in the wording of my question.
 
I really just wanted to know what was the best practice regarding installation of metal worktops. Maybe I should have been more precise in the wording of my question.
You absolutely should. It's a bit like talking with my Mrs, I often explain if something could be taken two ways, it was the other way I was meaning :):):)
 
The 15th edition IEE regs required everything that did not move to be bonded - if it did move bond it just the same - this led to metal window frames and fireside tongs and pokers also being bonded.

The 16th Ed was a complete reversal and required insulation as opposed to bonding - i.e kitchen sinks to be insulated from metal pipes and taps and not presenting a hazardous large area of bonded metalwork.

Domestic Kitchen sinks to be insulation tested between metal pipes and taps for no earth connection. The cpc connection in the flex cord of a waste disposal in fortuitous contact with the sinks is deemed adequate bonding.

The aim being not to introduce a large area of earthed metalwork exposed to touch
 
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