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Electrical Inspection & Testing Forum
Nice little "Real World" bonding question?
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<blockquote data-quote="mikel" data-source="post: 16614" data-attributes="member: 982"><p>Havng a quick look at the photo's and reference to my NEW on site guide (17th edition) my first thoughts are</p><p></p><p>The earth bar shud have a 16mm earth to the MET</p><p></p><p>The main bonding should go to the MET not the earth bar in the CU</p><p></p><p>Main bonding should be 10mm for it to comply to 17th</p><p></p><p>Bonding for incoming water supply should be before the T junction and within 600 mm of entering property</p><p></p><p>Gas bonding should be on consumer side of meter and to 'hard' pipe not the flexible one and go to MET</p><p></p><p>Do you need to bond the hot water? consideration should be given to whether it would introduce an earth potential and thus is it an extraneous conductive part?</p><p></p><p>Think I would point all this out to customer and give quoote for remedial work. As a minimum I would connect the existing bonding correctly to MET and pipework as it isn't safe to be left as it is</p><p></p><p>Lack of experience in inspection and testing stops me getting further into this. There appears to be other defects with wiring in cu but thats a different problem:|</p></blockquote><p></p>
[QUOTE="mikel, post: 16614, member: 982"] Havng a quick look at the photo's and reference to my NEW on site guide (17th edition) my first thoughts are The earth bar shud have a 16mm earth to the MET The main bonding should go to the MET not the earth bar in the CU Main bonding should be 10mm for it to comply to 17th Bonding for incoming water supply should be before the T junction and within 600 mm of entering property Gas bonding should be on consumer side of meter and to 'hard' pipe not the flexible one and go to MET Do you need to bond the hot water? consideration should be given to whether it would introduce an earth potential and thus is it an extraneous conductive part? Think I would point all this out to customer and give quoote for remedial work. As a minimum I would connect the existing bonding correctly to MET and pipework as it isn't safe to be left as it is Lack of experience in inspection and testing stops me getting further into this. There appears to be other defects with wiring in cu but thats a different problem:| [/QUOTE]
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Nice little "Real World" bonding question?
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