Then it may be time to invest in some Glasses because they will be there.Can’t see any reason for either on my feed
Discuss 18th Edition Bonding requirements in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
Then it may be time to invest in some Glasses because they will be there.Can’t see any reason for either on my feed
Yeah okThen it may be time to invest in some Glasses because they will be there.
So why hasn’t west’s post been been deleted? Irrelevant post really?You just did
Are we talking about a metal service coming in in the plastic sleeve? I guess that you would need to test if it was extraneous or not. No wonder I say you don't post on the forum a lot I don't get to read your posts as they all get deleted.Just to clarify ant. Does it say in 18 that you have to bond incoming services if it comes in on a plastic sleeve?
Any more and you will be banned. So just knock it on the head.Crack on and ban me then. Plenty of irrelevant posts in that thread that weren’t deleted
So the boiler has a double fault situation that can't be covered by bs7671, no earth and an l-e fault, therefore it's a very dange situation.The boiler in the basement develops
A L-E fault, (lets say it has no cpc either) this is not RCD protected the pipework is copper apart from the incomming pipework..
The towel rail and bathroom location is irrelevant, basically this is the"all conductive surfaces are dangerous" argument which is true, and applies regardless of whether they are bonded or not. Argument has been made for bonding conductive things that are built into the fabric of the building, but you have to draw the line somewhere otherwise you're bonding teaspoons before you know it in case someone pokes them in a toaster.The pipework in the bathroom is now live and the customer would get a shock if they touched the new towel rail and taps at the same time.
Bs 5839 part 6 takes priority to bs7671 in this scenario and it doesn’t require smoke detectors in a dwelling to be of a fire resistant material nore does it state that the wiring shall be independent from the other circuits, as you can install from a local lightning circuit or it’s own circuitjohnduffell and Spin..
I agree with both your statements, the chap was a idiot.
I had this arguments with the tutor, I also told him its not always practical carrying out supplementary bonding in some modern properties (with boxed in pipework).
Changing the subject, I mentioned about the lines next to the regulations in the book being amendments or re- worded.. He told me they were printing errors throughout the book.
He also told us we should be installing domestic ( battery backup/ Aico) smoke detectors in Fp200 as in the scope 560.1 they are considered a saftey service so should comply with 560.81
Anyway I passed even if most of the day was spent doing cable calculations ( for some reason).
thanks for the quick reply! really appreciate it , now I know you've said both should have been done but could you explain why in idiot terms haha .. I have said to her after doing a bit of research that I think it should have been done but if I she could go back to the electrician that did the work with a electricians reply then he might move his arse hahaYes, both should have been bonded.
so from the two pictures I have shown you you can categorically say it should have been done then ? even with a new distribution board and the house being re wired there is under no circumstances a reason for why the bonding shouldn't have been done in this house ? sorry for the repetativness of my questions but we want to be 100% before she goes back to the sparky (I use that word loosly) and asks him to do the work properlyFirst off, it’s a requirement of the Regulations:
411.3.1.2 Protective equipotential bonding
In each installation main protective bonding conductors complying with Chapter 54 shall connect to the main earthing terminal extraneous-conductive-parts including the following:
(i) Water installation pipes
(ii) Gas installation pipes
(iii) Other installation pipework and ducting
(iv) Central heating and air conditioning systems
(v) Exposed metallic structural parts of the building.
Metallic pipes entering the building having an insulating section at their point of entry need not be connected to the protective equipotential bonding.
Connection of a lightning protection system to the protective equipotential bonding shall be made in accordance with BS EN 62305.
Where an installation serves more than one building the above requirement shall be applied to each building.
To comply with the requirements of these Regulations it is also necessary to apply equipotential bonding to any metallic sheath of a telecommunication cable. However, the consent of the owner or operator of the cable shall be obtained.
701.415.2 Supplementary protective equipotential bonding
Local supplementary protective equipotential bonding according to Regulation 415.2 shall be established connecting together the terminals of the protective conductor of each circuit supplying Class I and Class II equipment to the accessible extraneous-conductive-parts, within a room containing a bath or shower, including the following:
(i) metallic pipes supplying services and metallic waste pipes (e.g. water, gas)
(ii) metallic central heating pipes and air conditioning systems
(iii) accessible metallic structural parts of the building (metallic door architraves, window frames and similar parts are not considered to be extraneous-conductive-parts unless they are connected to metallic structural parts of the building).
Supplementary protective equipotential bonding may be installed outside or inside rooms containing a bath or shower, preferably close to the point of entry of extraneous-conductive-parts into such rooms.
Where the location containing a bath or shower is in a building with a protective equipotential bonding system in accordance with Regulation 411.3.1.2, supplementary protective equipotential bonding may be omitted where all of the following conditions are met:
(iv) All final circuits of the location comply with the requirements for automatic disconnection according to Regulation 411.3.2
(v) All final circuits of the location have additional protection by means of an RCD in accordance with Regulation 415.1.1
(vi) All extraneous-conductive-parts of the location are effectively connected to the protective equipotential bonding according to Regulation 411.3.1.2.
NOTE: The effectiveness of the connection of extraneous-conductive-parts in the location to the main earthing terminal may be assessed, where necessary, by the application of Regulation 415.2.2.
Secondly because it’s dangerous not to do so.
thanks mate your a legend ! basically all the so called sparky said when questioned about the bonding was with the new 18th edition it doesn't need doing which baffled me and I had a sneaky feeling he was using the new edition as a excuseBased on the information and photos you have provided, I can categorically state bonding should have been provided.
thanks for the reply .. I'm not a electrician and I'm judging it needs doing purely on commen sense , surely if all the incoming supplys and pipework in the property can carry a voltage then it needs everything? as I stated in my first post dont shoot me straight away please lol .. also judging on the way the house has been re wired (bad workmanship) I wouldnt be surprised if it was wrong .. I also noticed the kitchen isnt on it's own circuit on the distribution board it's part of downstairs sockets which is just pure lazy , the garage which is fed with a armoured cable underground only has 1 fused spur in it even though there is a lighting circuit off it aswell , back boxs are not even level in the wall etc etc .. the list goes onBeing picky, both would need to be tested to see if their are extraneous; but I think thats a given.
No testing required.Being picky, both would need to be tested to see if their are extraneous; but I think thats a given.
No testing required.
Both services come from outside the building and neither are part of the electrical installation.
You could test to see whether there is a potential, but that wouldn’t really mean much, as the requirement is to bond extraneous-conductive-parts which are liable to introduce a potential.
Reply to 18th Edition Bonding requirements in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
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