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    • I posted a few days ago regarding the non arrival of my Hetas cert  First response was Dave Are you sure he is Hetas Certified  Well I’ve contacted Hetas armed with his reg number  He’s not been a member for five years    The laughable thing is we steered away from shops that subcontracted the fitting  In favour of a long established business  Where The Co owner does the fitting himself  I guessing he is a member of another organisation  Would this satisfi BC ? The worrying thing is that he has given me an exspired cert number   
    • The direct burial thing is just another difference between the regs that apply to electricians (BS7671) and those that apply to the DNOs, AFAIK.  The DNOs don't have to comply with the same physical protection requirements as anyone else, or at least their interpretation of the level of physical protection required is different.  BS7671 isn't very clear about levels of protection, either, which has led to people erring on the side of caution, which has now become custom and practice.    If anyone did want to directly bury concentric, rather than run SWA, then there'd always the get out that if the cable manufacturer specifies it's suitable then that should trump whatever is in the regs.  I remember having a similar argument with an electrician years ago over the use of NYY-J, supplying power to a garden shed, that was clipped directly to a garden wall.  He argued it needed to be SWA, I argued that, as NYY-J was specified by the manufacturer as being suitable for use outdoors, or underground come to that, it was fine.   Interestingly, it seems that NYY-J is now the standard cable used for car charge point installations.   I was tempted to use 25mm² split concentric instead of SWA for the run from our meter box into the house, as it's smaller and more flexible.  That run is well protected, as it's inside a duct that's buried underneath a path and the house slab.  In my view the added protection of SWA wasn't really needed, but in the interest of not having something that might be considered contentious I ended up just using SWA.   .
    • you miss the point  as long as we accept that generating power form fossil fuels  is ok ,then nothing is going to change  the other option to stopping global warming is get rid of 2/3 of the worlds population # I know which is a better option 
    • Solar PV is close to that at the moment IF you source the kit carefully AND DIY install it, AND take reasonable measures to self use as much as you can. I am expecting payback from mine in about 6 years.  But it is not for everyone and those out at work all day every day can only sensibly self use by putting stuff on timers.   The biggest obstacle is the FIT schemes required expensive MCS installers that pushed the price up. We have to get away from that model with non MCS companies offering cheap systems that are viable without a FIT.  There is still no sign of the mooted export payment scheme that was supposed to replace FIT's.   Batteries will have their day but are not yet imho cheap enough or long lasting enough.  It is not wind power that needs storage, but solar PV power so most folk can us it in the evenings.   NON FIT solar PV should be a no brainer for business premesis where they use power in the daytime, that is where the big push for cheap, easy to install, no subsidy solar PV should be going. No need for storage.  If every industrial unit had most of it's roof covered in solar PV that would make a big impact.  And if the infrastructure to supply and install cheap kit evolved, then the domestic market could tap into that as well.
    • Which is another way of saying "make the rich richer and oppress the poor". If domestic PV is not economically sustainable without subsidy the technology is not viable.     The Government is effectively bankrupt, do you think that precipitating the collapse the nation state through mass subsidy of an ineffective technology will help combat climate change?
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