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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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earthing of stainless steel sink
I've just discovered that the kitchen sink in the house I've just moved into
has no earth bonding (plastic hot & cold supplies). I'm going to fit a waste-disposal unit, so that would provide an earth through it's metalwork to the sink. Is this enough, or should I run earth cable from the sink back to the consumer unit (& if so, how thick would it need to be - about 25' from the sink to the CU) thanks, Jim |
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JJJ wrote:
I've just discovered that the kitchen sink in the house I've just moved into has no earth bonding (plastic hot & cold supplies). Kitchen sinks do not require 'earth bonding'. Supplementary bonding of such extraneous-conductive-parts is only necessary in bath and shower rooms. I'm going to fit a waste-disposal unit, so that would provide an earth through it's metalwork to the sink. Is this enough, It's OK. or should I run earth cable from the sink back to the consumer unit (& if so, how thick would it need to be - about 25' from the sink to the CU) That's not necessary, but make sure that the main bonding from the main earth terminal to the incoming gas and water service pipes (& oil, if applicable) is in place, close to the point of entry of each service. The minimum size for this is 10 mm^2. -- Andy |
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