My consumer unit does have a 100A switch disconnector, so its seems that the engineer was recommending an additional one such as you describe. If the circuit itself has a defect, such as a loose live cable, then an overcurrent will be produced. Commonly, electricians use these units to populate them with RCBOs. 736 Posts. If they are replacing one consumer box with another, each wire should be labelled so that the electrician knows the purpose of each wire. Keep up to date with our DIY projects, tips and latest deals, DIY Doctor Ltd 2023 All Rights Reserved. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. OVO Energy Ltd, registered office 1 Rivergate Temple Quay Bristol, BS1 6ED, company no. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. If you need to find a tradesperson to get your job done, please try our local search below, The cost of an EICR will be between 120 and 350 depending on the size of your home. The older fuse wires are being replaced gradually by their modern equivalent, the MCB or miniature circuit breaker. Doorbells: if you want a new video and audio doorbell your electrician can fit one. Sorry for the delay in getting back on this and thanks for the reply. The Current ratings which MCBs are designated to deal with are now conforming to the international equivalent of our old imperial ratings.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'diydoctor_org_uk-leader-2','ezslot_15',810,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-leader-2-0'); This standard is called the Renard current rating and supercedes the imperial ratings as far as MCBs are concerned. Had an EV installer around today. Some installations have this with a second consumer unit for storage heating etc. I'd have expected to pay 7-800 ish. Adding extra sockets and switches will make it easier for you and your family to find space to recharge electronic devices. How can I arrange an isolation switch install? Since regulations changed in 2016, all domestic consumer units must be either enclosed in a non-combustible material or housed in a cabinet made from a non-combustible material. Just as a matter of interest, DIN stands for Deutsche Industrie Norm and, originating in Germany, is any of a series of technical standards, used internationally, to designate electrical connections, film speeds and paper sizes. Each circuit cable is fed into the consumer unit and connected to an MCB of the appropriate rating.Live connected to MCB with neutral going to RCD neutral terminal block, Live connected to MCB with neutral going to RCD neutral terminal block, For regulations governing heights of sockets etc, please click hereElectrical Wiring Domestic book Available from AmazonWiring and Lighting Book Available from Amazon, Electrical Wiring Domestic book Available from Amazon, Wiring and Lighting Book Available from Amazon. Is it possible to add a second consumer unit to a house? RCD units are useful to help you maintain power in half of your house if a problem does arise. 1.Click Pop in your details & tell us about the job. Hellion wrote: They managed to use the existing CU after a bit of trial and error regarding access but the critical thing was, they came ready to install a new CU and to pull the main fuse and split the meter tails all on the day if plan A hadn't been possible. Registered in England No. Thanks to advancements in battery technology and artificial intelligence, the time when electric vehicles replace internal combustion engines is drawing closer (AI). Powered by phpBB Forum Software phpBB Group, General Building, Self Build and Renovation, Planning Regs, Project Management and Safety, Two electrical supplies and two consumer units - Earth bond, how do is seperate two consumer units on one meter. Do you mean that your existing Consumer Unit doesnt have a 100A Switch Disconnector within it? Space is limited (to replace for bigger CU ) around the original and there are no available slots to add further circuits. With lighting, wall sockets and a supply for the fish pond pumps and Hi all, I was wondering if you could alleviate my confusion. No feedback yet. Any old plastic consumer units are still legal too, theyll just need new casing to make them meet regulations. It also helps to prevent fires in the home. After looking at my system he said a main isolation switch would have to be fitted before the charger could be installed. Also you could run sockets and lights via a simple garage board terminated at the end of the swa. Before you agree to work with a certain tradesperson, its a good idea to double-check a few areas to make sure you know exactly whats included in your quote, and what isnt. Going purely by the letter of the law, and if you've a spare way on the non-RCD side of your household consumer unit, there is nothing to stipulate that you MUST install an independent unit in the outhouse. A lot of time could have been saved if I had been asked, at the start, whether I had a main isolation switch. As this option is expensive it is only usually used where space is tight for the enlargement of a consumer unit as has to happen when updating to a dual RCD unit. Just to clarify, an electricianis NOT allowed to cut seals and pull the main fuse, you have to work under a mocopa, to be able to do that, its illegal even tho they do ! I have a modest 2 bed Victorian property. When the switch is turned off, there would be no power after the isolation switch, which in turn would allow a private electrician to complete any maintenance work or repairs on the member's internal electrical set up. Ready to start your project? A fully-loaded consumer unit costs around 60 to 120, and as the name suggests, it is a consumer unit that has all its load-carrying breakers similar to those of a plastic box. I am in the UK. Ask your question to our members - they have the experience you're looking for: Enter your username or e-mail address. The largest widely available 3ph chargers are only 22kw. An electrician will first ensure that the power supply has been cut off. In the kitchen, extra sockets and switches are useful for appliances like coffee machines, kettles, toasters, food processors and bread makers. "Pretty" or "Smart" consumer unit options. Terms and conditions 1. We also show how a circuit cable is introduced to the unit. On the phone, Ovo said this would cost me 158 and the earliest appointment they could offer was about 9 weeks away. Two-bedroomed terrace between 2,300 and 3,500, Three-bedroomed semi-detached house between 3,000 and 4,500, Four-bedroomed detached house between 3,700 and 5,500. The checklist below walks you through the best steps to take when it comes to hiring an electrician for this type of work: Use HouseholdQuotes to find local electricians and potentially save money on your consumer unit or electric fuse box project. Not enough space to replace. Is it possible to add a second consumer unit to a house? The following articles provide more information about the routes available and the qualifications you need. The cost will be between 120 and 200 and will take two to three hours of work. It happens sometimes, that a customer will ask for a new circuit to be installed for a new shower, or a new electric cooker. The second condition applies to any circuits where an earth fault current is not sufficient to blow the fuse, or trip the switch, in the designated time allowance made in the regulations. Or is it that OVO require you to have another one between the Smart Meter and the Consumer Unit? There are three ways to connect with henley block or from existing consumer unit and latter with approved cable or twin and earth. I was just about to book an EICR inspection for my property when the decorator said he didn't think the fuse board would pass. Top 16 Best Boiler Cover Plans However rather than feeding the new CU from a spare way in your existing board it is best to split the incoming tails from the supply in to a henly block and run new 16mm tails from the henly block to your new board. It may not display this or other websites correctly. If the wiring is coming from above, a hole will need to be cut out of the consumer box so the wiring can be fed into the box. One of the consumer units is past its best - the uppermost one looks like an old Wylex one with a 60A isolator (too small for most houses nowadays) You would have to upgrade the consumer unit and bring the bonding up to a standard also You should use a competent person for the work, links below In Scotland: Individuals registered; Privacy notice Sorry, we're still checking this file's contents to make sure it's safe to download. The photographs are of a split load fuse board. RCD consumer units are used in smaller areas like garages and showers. RCD a residual current device is a group of switches that protect you and your home. Electrical Adding a second consumer unit On the assumption that there are no stupid questions. As your supplier the part of this installation that we can help with is thefitting of an isolator switch: An isolation switch (also known as a 'double-pole isolator') is a piece of equipment which can be installed on a metering supply that will allow the supply to be de-energised post-meter. If you find your electricity tripping, especially when you have two electrical appliances running at once, it might be time to think about upgrading to a consumer unit. Thanks for that and understood. Statement of Investment Principles of OVO Energy Group of the Electricity Supply Pension Scheme (SSE Hydro Section), Statement of Investment Principles of OVO Energy Group of the Electricity Supply Pension Scheme (SSE Section). RCDs can also be switched off manually and can take the place of the isolator switch in the consumer unit, if they break live and neutral. RCD Consumer Unit . Keep kitchen supplies and equipment tidy and organized with kitchen cabinets. What you are proposing is slightly different however as you are over time planning to migrate the circuits from one board to another. Brand new 32amp lockable charge point installed and working. For a better experience, please enable JavaScript in your browser before proceeding. even if he did turn it off at the consumers unit it would still be live, the main fuse has to be pulled and the elcticity board informed. The earth (N*), which has been left unsheathed for clarity, goes into the earth terminal block (C). We can help! An information label near the consumer unit explains this. Aesthetically they look better than other types of consumer unit. Area served. The wiring regulations state there should be a single point of isolation for an installation so ideally an isolator would be required before the split. Did you have to uprate the main fuse? Do so at your own risk.#consumerunit #fusebox #artisanelectrics You must log in or register to reply here.'block';'px';'100%';'px';container.appendChild(ins);(adsbygoogle=window.adsbygoogle||[]).push({});window.ezoSTPixelAdd(slotId,'stat_source_id',44);window.ezoSTPixelAdd(slotId,'adsensetype',1);var lo=new MutationObserver(window.ezaslEvent);lo.observe(document.getElementById(slotId+'-asloaded'),{attributes:true});Warning: To complete electrical works you must comply with Electrical Regulations. We work with the industries best to ensure that we recommend only reliable and trustworthy tradesmen. If youre experiencing problems with your electricity supply either tripping or blowing fuses, you may have too many appliances running. RCDs also work by detecting an imbalance between the Live and the Neutral conductors and this feature is a requirement for all Class 2 double insulated equipment.

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