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Do-It-Yourself (DIY) Question & Answer Forum
Retrofit Surge Protection Device & Other Matters
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<blockquote data-quote="Garry9" data-source="post: 560903" data-attributes="member: 38451"><p>Hi, I've recently moved into a property with a Hager VC776R consumer unit (plastic 17th edition 14way split load twin RCCB & 6A RCBO).</p><p></p><p>I'm not getting trips (so far), nor are there any other issues with the electrics as far as I am aware, but I'd like opinions on whether or not to replace or upgrade (or leave well alone). </p><p></p><p>The board is split 7MCB/6MCB/1RCBO and fully populated with Type AC MCBs.</p><p></p><p>Firstly, is it worth adding surge protection by retrofitting an SPD, e.g. Hager's SPD kit "T2 SPD"?</p><p>Although fully populated with MCBs, it appears to have room to shift all devices along 2 slots to fit the SPD.</p><p></p><p>Secondly, it would be good to know if I would be able to use this unit with an EV charger. </p><p>There is an unused 32A MCB, which I know would need to be swapped out for a Type A at the very least, but is that all that would be needed, or would I be looking at a dedicated CU? </p><p>(Do EV chargers need or have their own surge protection built in I wonder?).</p><p></p><p>The CU's internals are a spaghetti mess (yes, I've opened the box and looked. There's an isolation switch in the meter cupboard).</p><p>According to the label on the box, it's overdue an inspection. Does this mean I need to arrange for an EICR, and could that include answering all of the above?</p><p></p><p>Anyhow, I thought it worth seeking opinions before I get a professional in to take a look/quote/etc.</p><p></p><p>Based on estimates I've seen on the net, I can't justify having the whole unit replaced nor upgrading to RCBOs or AFDD/RCBOs, if that's even possible.</p><p></p><p>Any opinions gratefully received, and my apologies if any of the above ramblings is talking tosh (I realise "a little knowledge is a dangerous thing").</p><p>Thanks for reading this far.</p></blockquote><p></p>
[QUOTE="Garry9, post: 560903, member: 38451"] Hi, I've recently moved into a property with a Hager VC776R consumer unit (plastic 17th edition 14way split load twin RCCB & 6A RCBO). I'm not getting trips (so far), nor are there any other issues with the electrics as far as I am aware, but I'd like opinions on whether or not to replace or upgrade (or leave well alone). The board is split 7MCB/6MCB/1RCBO and fully populated with Type AC MCBs. Firstly, is it worth adding surge protection by retrofitting an SPD, e.g. Hager's SPD kit "T2 SPD"? Although fully populated with MCBs, it appears to have room to shift all devices along 2 slots to fit the SPD. Secondly, it would be good to know if I would be able to use this unit with an EV charger. There is an unused 32A MCB, which I know would need to be swapped out for a Type A at the very least, but is that all that would be needed, or would I be looking at a dedicated CU? (Do EV chargers need or have their own surge protection built in I wonder?). The CU's internals are a spaghetti mess (yes, I've opened the box and looked. There's an isolation switch in the meter cupboard). According to the label on the box, it's overdue an inspection. Does this mean I need to arrange for an EICR, and could that include answering all of the above? Anyhow, I thought it worth seeking opinions before I get a professional in to take a look/quote/etc. Based on estimates I've seen on the net, I can't justify having the whole unit replaced nor upgrading to RCBOs or AFDD/RCBOs, if that's even possible. Any opinions gratefully received, and my apologies if any of the above ramblings is talking tosh (I realise "a little knowledge is a dangerous thing"). Thanks for reading this far. [/QUOTE]
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