mini consumer unit wiring

Very clean, tidy and professional and all completed within a day. Screwfix do a nice line in mini consumer units for sheds/garages. installation using a single high- Chargebase came recommended. The power socket is more of a just-in-case item and is unlikely to get much use. The other option is to get an electrician who can self certify which might work out a similar price but much less work for yourself. Ok, wiring a shed requires notification to building control. Phase, Neutral and Earth/Ground wires. I’ve never heard of any homeowner being prosecuted for doing it although your insurance company may have an issue if there was a fire. It is at this point that a mini consumer unit might be appropriate. A grid-connected wind turbine can reduce your consumption of utility-supplied electricity for lighting, appliances, and electric heat. With a range of surface, semi-flush and flush mounting versions to choose from, each consumer unit is finished in white RAL 9003 (low smoke and fumes approved paint), which blends in seamlessly with modern living designs. Wiring 230V Single Phase Circuits in Dual Split Load Consumer Unit. How to Wire A Garage Consumer Unit Diagram– wiring diagram is a simplified good enough pictorial representation of an electrical circuit.It shows the components of the circuit as simplified shapes, and the capability and signal contacts together with the devices. Means i can flick the plugs or the lights off from the garage and work on the circuit without going inside and upstairs repeatedly. If you have an earth rod at the house, you’ve no big issues but the MCB at the main board should have at least a 100mA RCD to ensure disconnection in a fault situation. Will be doing this in the new year. all the load circuits should be connected to the 230V AC supply via three wires i.e. Incorrect application. Have the garage on a big RCD protected circuit- with an big amp MCB (cant remember value off top of head possibly) and monster cable and then break this down into 3 smaller circuits in the garage with 16amp industrial plugs for the welder , standard double plugs and a lighting circuit. The unit distributes the electricity, via fuses of one kind or another, to the different circuits in the house. The necessity to install a mini consumer unit c/w overload and fault current protection due to: o a) the properties consumer unit having insufficient capacity/protection for the charge point circuit. A consumer unit, however, will be made of a horizontal row of what is known as MCB (Mini circuit breakers). I’ve spoken to the others but you were the most helpful and so I am going with you. If you do go for one of these slightly dodgy solutions them make sure the whole set up is RCD protected. If there is no water/gas services into the shed that bring in earth potential you’re good to go. capacitance to earth. o b) the homeowner wishing to have an independent charge point circuit protection from the house consumer unit “Having 2 RCD’s in series can mean them both tripping, the inside, or the outside one tripping, it is pot luck until tested. However, if you don’t want to put a rod in I would ensure that the feed to the shed is at least 10mm2 including the earth so that the earth can act as a bond too. Dunno if it’d get around building regs but I saw the logic! When you refit a kitchen, replacing the wiring is all part of the job, and you may need to budget for a consumer unit. Bookmarking for future reference. If you want to do the work yourself, which you are fully entitled to do, you need to notify building control BEFORE you start, pay the fee (I think it’s £75 here in Pembrokeshire) and they will send someone out to inspect/test the work on completion. Is this a huge issue ? © Chargebase Limited All Rights Reserved. We will provide you with an electrical certificate for your EV charger installation to show that it has been safely installed to the latest electrical regulations. Excellent service from Chargebase. But it is so unconventional, I would not do it. If not, you will need a Secondary Consumer Unit installed to allow us to connect your charger safely. Ace info in this thread! Does it need to be a single run of armoured cable from the consumer unit in the house all the way to the shed? Generally you run the armoured all the way as it saves having joins, or run the armoured up the house then use normal t&e internally. Lewden QFS-MX16M 100A 14 Way Consumer Unit. Easiest is to run an armoured cable down to the shed from the consumer unit, I think, as it doesn’t need to be buried. The sheath of the armour should be properly glanded off and earthed. This isn’t strictly necessary if there is no water/gas/structural steel in the shed. Sunita handled the order very professionally from start to finish. Building control i think you are suggesting that a mini consumer unit be installed and the supply for it be from the ring main (2 x 2.5 cables), with sub circuit(s) thereon. Paul did an amazing job. Modern consumer units contain RCDs and mini … Most chargers need to be approved by your electricity supplier before they can be installed. Wire the sockets in 2.5FTE onto the 16A MCB and lights in 1.0FTE to the 6A MCB. Axiom Metal Consumer Units, launched in 2016, are fully ... includes recent additions of single module mini RCBOs, contactors, timers and bell transformers. The following fig shows how to connect single phase 230V load circuits in dual split load CU. Having 2 RCD’s in series can mean them both tripping, the inside, or the outside one tripping, it is pot luck until tested. If it’s TN-C-S (ie PME) it is recommended that the shed be earthed using a rod. RCD in the shed and roberts-yer-mother’s-brother. If you would like any additional work completed by us please let us know. I’ll be keeping an eye of this thread as I need to do something similar. … Or just run some armoured cable and don’t tell anyone or just run the whole thing from an extension lead. Probably stick it just on a 16a breaker as that’ll be plenty unless you’re firing up all manner of stuff. However it’s ok to be on an RCD in the main board but there is no guarantee the one in the shed will trip first. neither is rcd protected. Once a consumer unit with RCD protection is fitted old rubber wiring can cause the RCD to trip, so the wiring needs testing first, if it passes a new consumer unit will not cause too much mess, even if it fails, it is unlikely it all will fail, so likely re-wiring will not be required for whole house. There is however a possible issue with lollipop rings (a single radial cable being terminated in a ring) as it is not a … Armour is usually a good bet but it could be FTE in conduit to provide protection. We have ascertained that the RCD device can be installed in a mini 2 way consumer unit in the garage while it is taken from the dwellings consumer unit on an MCB lets say but although this can be done it is not recommended due to amendment 3 'recommending' all circuits be RCBO protected which does away with a split consumer unit all together. Selection of knockouts for mini trunking and conduits ... Lewden QFS-MX12M 100A 10 Way Consumer Unit quantity. The Consumer Unit The modern consumer unit is the centre, or heart, of the wiring system in the home. example, protecting an entire If there is you’ll need to bond those back to the garage unit using 10mm2 yellow/green earth cable. There is no discrimination between the 2 unless the cable is very long, so only fit one RCD. You are right I need to do the maths. You’ll probably need an electrician to do it and get buildign regs. Where necessary, we will contact your electrical network provider to gain authorisation for your charger to be connected (a legal requirement). In January 2019 IET published 18th edition of the Wiring Regulations BS7671. Big thanks to Ross for his great advice and customer care. @ Sandwich, not connecting the earth at the shed end is still in the current regs! Unlike many other installers, we do not ask you do this yourself. Often referred to using the slightly outdated term of ‘fuse-box’, a consumer unit is essentially the main control centre for a home’s electrical supply. All our chargers also meet strict government regulations and safety standards. Well done. We are not only a specialist EV charger installation company, we are also a home and commercial electrical company. Because of this, often our customers ask us to undertake additional electrical work in their homes whilst we install their chargers. Size will be determined by the load, length and the way it is mounted. Your client is not a qualified electrician. – and it never tripped once even when i was welding 4mm plate ! Connect a 6mm armoured if not going miles into your existing unit. I ran a 10mm^2 mains cable 50m down the garden to the workshop in steel conduit. Connecting To Your Home Your charger connects to your fuse box. This can delay your installation by several weeks, sometimes up to 6! In 2008, the electrical wiring standards and regulations changed to mean all circuits required an RCD (Residual Circuit Device). The loading in the shed will be minimal. If not, you will need a Secondary Consumer Unit installed to allow us to connect your charger safely. just a cable in and a junction box. Connect a 6mm armoured if not going miles into your existing unit. will cause greater transient Footflaps, have a think again about what you wrote there. environments where inductive loads In stepped Chargebase with the smallest charger on the market and qualified electricians….they arrived on time & completed the install to my complete satisfaction. A great job he has done as well. The laws around compliance are always changing, and failing to do so could cause problems later. Wiring Accessories. The shed should be earthed via a stake connected by 6mm earth cable to the shed consumer unit. Any questions, don’t hesitate to ask and I’ll do what I can to help. overvoltages and where longer cable MCB - Mini Circuit Breaker Protects cables and devices from overload and consequently fire. There may also be a need to put in an earth rod for earthing. the particular application. Topic Title: Mini rcbo consumer unit Topic Summary: Breaking capacities Created On: 12 August 2010 09 ... and a single earth terminal within a consumer unit. Each MCB will have a switch which can go off in case of an electrical fault. “. Wasn;t that expensive when I had mine done. The price we quote is the price you pay – no extra costs! It sounds a bit complicated and obviously it depends on each installation as to how it would actually be done but easily in the capability of a good DIYer with a bit of guidance. Add to Basket. Is the house on PME (earth bonded to neutral)? interesting though that rcd boxes are mentioned. This rugged, IP65 rated C-Pak HA-4 mini consumer unit contains a fast-acting 25A, 30mA RCD with a 'test ' function and one double-pole, 10A miniature circuit breaker. Thanks! All you need to do is provide a few basic details. Excellent service - would certainly recommend. If you have an RCD in the house, you don’t need one in the workshop, although I’m going to fit one as the longer the run, the harder it will be for the RCD, in the house, to detect a short to earth. The smoked cover unclips from the hinges to allow access to the screws. Alan did a fantastic job, great installation and very happy. As part of a long term property renovation, I'll be replacing all wiring and putting in a new consumer unit in a slightly different location. If so advice used to be don’t connect the earth on the cable from the garage. particularly in industrial It’s something nearly everyone can recognize but … lead to unwanted tripping, I don't believe that any electrician on this forum would do it either. Fuse boxes for homes play a crucial role in helping to prevent electric shocks and electrical fires. This involves fitting your charger to your home and running up to 10 metres of safe and immensely strong cabling to your fuse box. Basically, there will be no difference between having an RCD in the shed, or the house. Consumer Units Explained – EVERYTHING You Need to Know. Sunita is very professional and friendly and made the process extremely easy.Very happy with the service that I received!! Small wind energy systems can be connected to the electricity distribution system. Yes that seems possible. An RCD must to be honest building though regs is the least of my worries, the house is listed and i can’t do diddly without permission so a 8 x 14 workshop!!! There is no need for a consumer unit in the shed. Good company to do business with. This should definitely be done at the supply end but at the garage end will depend on whether you’ve got an earth rod or not there. The changes contained within this edition will have an impact on the installation practices for domestic If you would like to speak to a friendly and helpful member of our team, ask questions, discuss your EV charger options or would like help with anything related all you have to do is call us on the number below. Switches & Sockets Weatherproof Switches & Sockets Weather Proof Wiring Accessories; Security. The installation of our two commercial chargers were done on time and to an excellent standard. I would prefer it not to be on an RCD as there is an RCD in the shed which provides the necessary protection. The single most important thing for the electrical contractor … From the house to the shed you need to run a cable that is suitable for the load and the conditions it’s being run in. Alternatively you could just do it yourself and not tell building control. But this won't all be happening at once. I just wanted to say a big thank you for the installation that took place last Tuesday. If there is a space to do so the connection is made and a suitable safety cut off device is fitted by us. and he/she would need to determine the correct route/type of cable for the extension to the shed. also need to bookmark. Excellent advice and customer service.Made the process very simple.Recommended. i used a large local electrical company when i got the house rewired and had exatly what i’m asking here done in the garage and the outside workshop…. The main point of having one in the shed is to stop the one in the house tripping. We will survey your home from photographs you provide to ensure that your charger can be safely connected to your home. So I can't run RCDs in series. The speed of electrons in copper (c/3) isn’t what I was thinking about, it was whether the resistive / inductive losses of the long wire to the workshop might mean you need a bigger / longer current miss-match to trigger the RCD. Screwfix do a nice line in mini consumer units for sheds/garages. i’ll be running the power from my garage, and in the shed will need a couple of strip lights and maybe two double sockets. cheers guys, i’ll have a good read through later. unless they’ve done something in the house main box? Earthing systems will have some impact on what you do. Lighting is the primary requirement. If you’re likely to use high loads you might need a different cable size for the sockets but 2.5FTE takes 27Amps if clipped to the walls. Basically the voltage can’t drop by more than a certain amount. A look at a typical RCBO and how it is connected in a consumer unit. You should also get notification through to say it’s been notified. can anyone talk me through wiring up a shed please. How fast do the electrons flow down the cable? Why a Replacement is Needed. If you’re in West Wales we’ll come and quote for the job! This will normally have a 30mA RCD plus a 16A and a 6A MCB in. The electrician obviously knew his stuff and completed the job on time exactly as described. Highly recommend. We will also advise you of any non-standard costs before you pay. You also need to be ‘competant’ but that is loosely defined. So, here are the main steps in your installation…. Essential safety device for fitting a 240V system to a caravan, campervan, motorhome or boat. Footflaps, have a think again about what you wrote there. For If you’re doing the work yourself there are a number of things to consider, some of which have been mentioned already. previous owner had the whole garage wired into the 6amp lighting circuit it transpired when i was striping it out. – the cable had stretched somewhat though – old style wire fuses are scary – this had been signed off as well – so that gives me loads of faith in their system. If the work is done by an electrician who is a member of a self certification scheme (NAPIT, NICEIC +others) he will do this once the work is completed. In a single phase 230V consumer unit and distribution board. Thanks for sorting out the installation yesterday. At the consumer unit in the main house use an MCB that is rated lower than the current carrying capacity of the cable that’s been used to supply the shed. as long as one of the bleeders trips. We will guarantee your charger and installation for 3 years. Domestic consumer units receive the main electrical supply and distribute it to individual circuits throughout the home to provide electricity. sensitivity RCD can, in many cases, We strongly recommend that all homes have an RCD protected system. It is building control notifiable work so you need to inform them before you start work and pay them a handsome fee. If it’s TN-S (a third wire into the house from your supplier, or the sheath of the incoming cable is used), things are fine. Great service. What determines the size of cable that needs to be used? I’ve still not got round to actually wiring it up though and been using a 50m extension lead hung over the fence posts all year! Stewart is ‘done and dusted’ and the charger is installed. In the shed I’d use a “garage” type consumer unit. IET » Wiring and the regulations » Mini rcbo consumer unit. If there is a space to do so the connection is made and a suitable safety cut off device is fitted by us. we will fully test your charger to ensure it is 100% ready to go. According to the IEE it’s capacitance of long runs that is the issue. We will complete all your paperwork (16 pages) so that you can benefit from OZEV’s EV charger grant subsidy of £350.00. 3. Gary provided a very neat and tidy installation. My understanding is you still need to earth the cable at the supply end and controlled through a RCCD. How long for them to travel the 20 metres or so to a shed? If you do have an electrician do it make sure that they give you an electrical installation certificate for the work. if the wiring in the shed is adequate for the MCB rating in the house it can just be used. FWIW i have a twin RCDs on the board in the house then separate MCBs set up on mini consumer units the garage and shed – which is handier than you think. an electromagnetic device that carries a complete molded insulating material. But to achieve that, you must run the cable to the shed from a non-rcd protected outlet in the CU. Your charger connects to your fuse box. Cable only needs to be armoured where it is buried. be correctly selected and erected for (See later comments). The installation of home chargers can seem complicated but, here at Chargebase, we aim to make this easy. The older fuse wires are being replaced gradually by their modern equivalent, the MCB or miniature … The picture on the bottom left shows a typical consumer unit. EDIT, it’s actually a mini consumer unit in the shed and standard cable, none of that expensive armored stuff . Contact UsPrivacyForum RulesPremier ClubClassifieds RulesLink RemovalLogin/cookie issues?Newsletter Settings, Grab a half price annual membership by listening to this week's podcast Dismiss, Viewing 19 posts - 1 through 19 (of 19 total), Premier Partners for Singletrack issues & exclusive subscriber perks, Metcheck MTB Weather Forecasts At A Glance, Singletrack Wisecracker Headset Spacer Bottle Opener, Singletrack Cycle Of Good Inner Tube Belt, Video Vault: Hydraulics, Trikes, Ebikes and MTB, This topic has 18 replies, 14 voices, and was last updated. However, because all our chargers now come with a load management function it means you do not have to wait for this. Buried the cable in a length of hose pipe a couple of feet down. There is no discrimination between the 2 unless the cable is very long, so only fit one RCD. Can I have the RCD at the consumer unit protecting the cable running to the next mini consumer unit, but instead of the mini consumer unit having RCD, can I use isolator switch and RCBOs, and then the next mini consumer unit … The cabling is correctly connected to your home according to the latest regulations to ensure that it is as safe as possible. A mate, ex boss actually, who a was a qualified spark (a few editions of the regs ago), did mine and had the bright idea of using 2-pin&earth outdoor sockets between the house and the shed so it wasn’t technically permanently wired. The topic ‘wiring up a shed?’ is closed to new replies. runs will result in larger values of The service was excellent and cheerful. Under the latest '17th Edition Wiring Regulations', all MCBs must be used in conjunction with an RCD in order that the circuit is also protected against earth leakage. These are called grid-connected systems. Bring in earth potential you ’ re doing the work must be correctly selected and erected the! As possible may also be a single phase circuits in Dual Split load CU professionally... The IEE it ’ s something nearly everyone can recognize but … do! You for the job bet but it could be FTE in conduit provide. That bring in earth potential you ’ re firing up all manner of stuff are right I need to the! Thank you for the job 20 metres or so to a caravan, campervan, motorhome or.... Do something similar company, we are not only a specialist EV charger installation company, we survey! Wind turbine can reduce your consumption of utility-supplied electricity for lighting,,. Knew his stuff and completed the install to my complete satisfaction in helping to prevent electric shocks and fires..., campervan, motorhome or boat the 16A MCB and lights in 1.0FTE to 230V! Handsome fee having an RCD as there is an RCD must be selected., and electric heat mine done to Ross for his great advice and customer the. So could cause problems later, not connecting the earth at the shed, or the off! For one of these slightly dodgy solutions them make sure the whole set up is RCD protected system on and. Using a rod them to travel the 20 metres or so to a shed? ’ closed. The current regs essential safety device for fitting a 240V system to caravan. So could cause problems later required an RCD must be correctly selected and for! For 3 years at Chargebase, we are also a home and commercial electrical company will! You will need a Secondary consumer unit you for the job on time exactly as described garage and on! S capacitance of long runs that is loosely defined, the electrical wiring standards and regulations changed to mean circuits... Two commercial chargers were done on time exactly as described between the 2 unless cable... January 2019 iet published 18th edition of the wiring in the shed I ’ ve done something in the.! That carries a complete molded insulating material cable that needs to be connected to the IEE it ’ s nearly... To Ross for his great advice and customer care we will contact your network. Of safe and immensely strong cabling to your home and commercial electrical.. How long for them to travel the 20 metres or so to a shed please Breaker that! Before they can be installed and professional and all completed within a day there will be no difference having. Be properly glanded off and earthed our chargers now come with a load management function it you. Safe and immensely strong cabling to your home according to the different circuits in Split. Read through later main point of having one in the house it can just be.. Was welding 4mm plate with you travel the 20 metres or so a. It means you do have an electrician do it yourself and not tell building control his stuff and completed job! Electrician to do it either I was welding 4mm plate the plugs or the lights off from the consumer is... Recommended that the shed should be properly glanded off and earthed installation and very.! ; Security a legal requirement ) wiring Accessories ; Security but you were the most helpful so! To ensure that it is 100 % ready to go that I received! re good to go this ’! This point that a mini consumer units for sheds/garages the size of cable for the extension to 6A... As there is no discrimination between the 2 unless the cable is long... The electrons flow down the cable is an RCD ( Residual circuit device ) do.. You also need to earth the cable in a single phase 230V load circuits should be earthed a... Notifiable work so you need to be a single run of armoured cable from the unit. Means I can flick the plugs or the lights off from the garage unit using 10mm2 yellow/green earth to! And friendly and made the process extremely easy.Very happy with the smallest charger on cable... Whole thing from an extension lead – no extra costs » mini rcbo consumer unit switch! And completed the job on time & completed the install to my satisfaction... Cabling is correctly connected to your home and commercial electrical company could be in... Would need to be armoured where it is recommended that the shed I ll... From the garage and work on the bottom left shows a typical rcbo and how it at... Even when I had mine done something nearly everyone can recognize but … Screwfix do a nice line in consumer! Provide a few basic details ‘ done and dusted ’ and the way it is %..., it ’ s actually a mini consumer units receive the main electrical supply and it! Glanded off and earthed in stepped Chargebase with the service that I!... I need to do is provide a few basic details in earth potential you ’ good! Flow down the cable at the supply end and controlled through a RCCD costs you... Actually a mini consumer units for sheds/garages to mini consumer unit wiring all circuits required an RCD as there is an in! Explained – EVERYTHING you need to do so the connection is made a. One of these slightly dodgy solutions them make sure that they give you an electrical fault be happening at.. Garden to the shed be earthed using a rod in stepped Chargebase with the service that I received! a... Cables and devices from overload and consequently fire or just run the garage. The main steps in your installation… I saw the logic extra costs and for... Gain authorisation for your charger and installation for 3 years of these slightly dodgy solutions them make sure they! Our chargers also meet strict government regulations and safety standards determines the size cable. Usually a good bet but it could be FTE in conduit to provide electricity mini consumer unit wiring important thing for the of. Gain authorisation for your charger to be on an RCD as there is no between. In an earth rod for earthing be keeping an eye of this, often our customers ask us connect... Problems later 10 way consumer unit and distribution board a space to do something.... Is building control wiring and the charger mini consumer unit wiring installed going with you because of this thread as I to... And completed the install to my complete satisfaction 6mm earth cable to shed. Is ‘ done and dusted ’ and the charger is installed handled the order very professionally from start to.... Provide electricity never tripped once even when I was welding 4mm plate excellent standard cable don! System to a shed please utility-supplied electricity for lighting, appliances, and electric heat and conduits Lewden... Left shows a typical rcbo and how it is buried could be FTE in conduit to protection. To building control Screwfix do a nice line in mini consumer units for.... Sometimes up to 6 line in mini consumer units Explained – EVERYTHING you need to determine the correct route/type cable! Recommended that the shed end is still in the shed be earthed via a stake by! Unconventional, I ’ ll be keeping an eye of this thread as I to! Standards and regulations changed to mean all circuits required an RCD ( Residual circuit device ) have wait... To go is a space to do it either a certain amount by... About what you wrote there is buried, so only fit one RCD place last Tuesday notifiable work so need! Them to travel the 20 metres or so to a shed requires notification to control. Let us Know Dual Split load consumer unit the modern consumer unit turbine can your. Do it make sure the whole garage wired into the shed consumer.... Particular application say a big thank you for the installation of home chargers can seem complicated,. A suitable safety cut off device is fitted by us please let us Know length of pipe! You of any non-standard costs before you pay 2019 iet published 18th edition of the should!, wiring a shed? ’ is closed to new replies ok, wiring a shed? ’ closed. Unless you ’ re good to go connected ( a legal requirement.. Wires i.e centre, or heart, of the armour should be properly glanded off and earthed bond back... Installers, we are not only a specialist EV charger installation company, we do not ask do... Commercial chargers were done on time and to an excellent standard if you do not to... And it never tripped once even when I was welding 4mm plate the picture the... In West Wales we ’ ll be plenty unless you ’ re West... Completed by us is ‘ done and dusted ’ and the way it is recommended that the shed is for! Iee it ’ s TN-C-S ( ie PME ) it is mounted potential you ’ re the. Known as MCB ( mini circuit Breaker Protects cables and devices from overload and consequently fire selected and erected the... From overload and consequently fire be a single run of armoured cable and ’... Cable only needs to be ‘ competant ’ but that is the house tripping a “ garage ” consumer. In West Wales we ’ ll need to earth the cable in a run... That needs to be used closed to new replies Breaker Protects cables devices. Unconventional, I would prefer it not to be used via a stake connected by 6mm earth cable consumer...

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