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How to wire up a consumer unit

A semi-detached house has a prehistoric fuse box with rewirable ceramic fuses. It will shortly be replaced with a modern consumer unit. The existing circuits are:



 



1. Lights



2. Upstairs sockets



3. Downstairs sockets



4. Kitchen sockets



5. Cooker



6. Shower



 



The following circuits will be added to the consumer unit:



 



7. Central heating



8. Burglar alarm and CCTV



9. Outside lights



 



I have been informed that the best choice is a split load consumer unit with two RCDs and space for RCBOs. My intention is that circuit 8 has its own RCBO but what is the optimal way to allocate circuits to RCD A and RCD B? Also, should any other circuits have their own RCBO?


Parents
  • Former Community Member
    0 Former Community Member

    Morgaine Dinova:

    I've waited a few days since Arran Cameron's and Simon Barker's answers to my question requesting links to online documentation about UK wiring standards for consumer units, hoping that someone might provide a link to the online resources. I found it hard to believe that these standards are a secret in the UK, and worse, that they are hidden behind an IET paywall so that only those with money can learn about them. In the absence of contrary information so far, I am sadly concluding that Arran and Simon were right.


    This is not what I would have expected from the IET, and is incredibly short-sighted. The Institution is supposed to be a promoter of engineering education and a role model for professional ethics in UK engineering, not a money-grabbing outfit focussed on its own profit above all things. Secrecy has no place in engineering standards, nor in engineering education, and it runs counter to informing students (or simply knowledge-seekers) about professional and legal requirements in installation wiring and setting a good example.


    The Internet has made information on virtually every topic more and more available with every passing year, and now even encompasses legislation and interacting with one's own government. Open publishing is thriving, while the proprietary publishing model is widely condemned in the sciences and many other disciplines. In contrast to these advances in knowledge dissemination, putting engineering standards behind a paywall is taking UK engineering back to the medieval days of shady masonic guilds protecting their trade secrets for their own profit. It's astoundingly bad on numerous grounds, particularly in respect of discouraging education, limiting public knowledge of legal requirements, impacting on public safety, and in making "information only for the rich".


    This is an area that calls out badly for IET modernization and reform.


    Thank you Arran and Simon for your input.


    Morgaine.




    I don't wish to hijack the topic, but this statement does require some challenge.


    I'm sure you can appreciate that any publication has significant production costs attached to it and it needs paying for. The IET would be unsustainable if it were to give away everything for free without money coming in to support its activities.


    We run over 1500 knowledge events every year and the vast majority of those are free. We have something like 150,000 people attend them, so money from publishing and other surplus-generating activity does get re-invested; there are no shareholders to pay.


    We do also have an open access journal: http://digital-library.theiet.org/content/journals/joe 


    I'm not going to argue that the IET is perfect, but the accusation of money-grabbing and profit above everything is unfair. The annual report is transparent and anybody is free to examine where money comes from and what it's spent on.


    In the interests of not derailing the original post, I'd suggest starting a seperate topic and / or refer you to the annual report and a browse of the website to understand the scope of the IET. I appreciate your point of view and frustration, but perhaps it's borne out of a lack of knowledge of what else the IET does.

     

Reply
  • Former Community Member
    0 Former Community Member

    Morgaine Dinova:

    I've waited a few days since Arran Cameron's and Simon Barker's answers to my question requesting links to online documentation about UK wiring standards for consumer units, hoping that someone might provide a link to the online resources. I found it hard to believe that these standards are a secret in the UK, and worse, that they are hidden behind an IET paywall so that only those with money can learn about them. In the absence of contrary information so far, I am sadly concluding that Arran and Simon were right.


    This is not what I would have expected from the IET, and is incredibly short-sighted. The Institution is supposed to be a promoter of engineering education and a role model for professional ethics in UK engineering, not a money-grabbing outfit focussed on its own profit above all things. Secrecy has no place in engineering standards, nor in engineering education, and it runs counter to informing students (or simply knowledge-seekers) about professional and legal requirements in installation wiring and setting a good example.


    The Internet has made information on virtually every topic more and more available with every passing year, and now even encompasses legislation and interacting with one's own government. Open publishing is thriving, while the proprietary publishing model is widely condemned in the sciences and many other disciplines. In contrast to these advances in knowledge dissemination, putting engineering standards behind a paywall is taking UK engineering back to the medieval days of shady masonic guilds protecting their trade secrets for their own profit. It's astoundingly bad on numerous grounds, particularly in respect of discouraging education, limiting public knowledge of legal requirements, impacting on public safety, and in making "information only for the rich".


    This is an area that calls out badly for IET modernization and reform.


    Thank you Arran and Simon for your input.


    Morgaine.




    I don't wish to hijack the topic, but this statement does require some challenge.


    I'm sure you can appreciate that any publication has significant production costs attached to it and it needs paying for. The IET would be unsustainable if it were to give away everything for free without money coming in to support its activities.


    We run over 1500 knowledge events every year and the vast majority of those are free. We have something like 150,000 people attend them, so money from publishing and other surplus-generating activity does get re-invested; there are no shareholders to pay.


    We do also have an open access journal: http://digital-library.theiet.org/content/journals/joe 


    I'm not going to argue that the IET is perfect, but the accusation of money-grabbing and profit above everything is unfair. The annual report is transparent and anybody is free to examine where money comes from and what it's spent on.


    In the interests of not derailing the original post, I'd suggest starting a seperate topic and / or refer you to the annual report and a browse of the website to understand the scope of the IET. I appreciate your point of view and frustration, but perhaps it's borne out of a lack of knowledge of what else the IET does.

     

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