All cables and connections to the consumer unit must be checked and tested by a qualified electrician. Search stock photos by tags. 0 Electric Bill Calculator with Examples, How to Find The Suitable Size of Cable & Wire for Electrical Wiring Installation? Donec ex felis, scelerisque ut facilisis et, convallis nec magna. endstream endobj 113 0 obj <>>>/Filter/Standard/Length 128/O(v#,b+F@:DT\r43O)/P -1324/R 4/StmF/StdCF/StrF/StdCF/U(]k$SGEO )/V 4>> endobj 114 0 obj <. RCBOs are a single device which combines a circuit breaker and RCD. The author will not be liable for any losses, injuries, or damages from the display or use of this information or if you try any circuit in wrong format. Shown in the consumer unit casing above, it is a metal, pressed bar, to which the MCBs clip. Keep in mind that we have usedIEC wiring color codesfor illustration purposes only. 163 0 obj <>stream This allows the circuit to be divided into two, usually one upstairs, one down. This will protect all circuits but if the RCD trips, so do all circuits. 112 0 obj <> endobj Wylex have no miss busbar connections and quick release technology built into their circuit breakers, RCBO's and AFDDs. Please see our project on Part P of the building regulations for information on DIY Electrical Installation. Follow, Copyright 2023, All Rights Reserved 2012-2023 by, Looks Like You're Using an Ad Blocker. Good to know: According to IET (Institution of Engineering and Technology) wiring regulations: 17th Edition (BS 7671:2008 1: 2011), an RCD protection must be provided in the consumer unit except smoke and burglar alarms system. How to Wire 208V & 120V, 1-Phase & 3-Phase Main Panel? Delivery: Estimated between Fri, 17 Mar and Wed, 22 Mar to 23917. As they must sense the current in both the line and neutral, they have connections for both. Reproduction prohibited unless prior permission is granted by Luceco plc in writing. Installing a Consumer Unit Consumer Units Explained, General Building, Self Build and Renovation, Planning Regs, Project Management and Safety, Let us help you find a tradesman local to you, How to Wire a Junction Box for Socket and Light Circuits, Electrical Lighting Circuit How to Wire a Light, Extending a Ring Main and Adding more Sockets to a Room, Understanding Electrical Cables and Flexes, How to Connect and Wire up Armoured Cable or SWA Cable, Which Electric Cables To Use Around The Home, How To Wire A Lighting Circuit From The Consumer Unit, Electrical Wiring - How To Wire A Junction Box To Extend Circuits For Sockets And Lights, How To Extend A Ring Main From The Consumer Unit, A 5 amp fuse can be replaced with a 6 amp MCB. hbbd```b``1A$v0D2HVf"92@$X ~:9&9A$7X @e:d;$ '5H~ m`00-@ M How to Determine the Right Size Capacity of a Subpanel? The busbar is cut to size by the electrician, when installing the consumer unit and 'plugs in' to the bottom of all devices. 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. Postage: 23.73Expedited Deliveryto United States via eBay's Global Shipping Programme. Posted on June 29, 2022 in gabriela rose reagan. K5590S. All of this is explained more thoroughly when we deal with the second type of unit, which is the split load unit. EE-Tools, Instruments, Devices, Components & Measurements, Split Load Consumer Unit Wiring Old UK Wiring Color Codes, Wiring 230V Single Phase Circuits in a Split Load Consumer Unit, differences between MCB, MCCB, ELCB & RCB, RCD or RCCB/RCBO Circuit Breakers, How to Wire Single-Phase, 230V Consumer Unit with RCD? Generally, there is a 40A, 2-Poles, Two Poles RCD (Residual Current Device). This saves you the expense of replacing the entire board when you need to reconfigure electrical circuits. or if you are doing it yourself you can find suppliers local to you. 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. ho8lU *Gt*~E@T7ch6{MF.#]NV*dP\WB-d`*&J#C}x8@A[,R} \j"|#O 8'o{4]XSK]cx=DRm EfhwHt.hC6ptHP W^ABk everything had been moved along 1 creating a space for a rcbo feeding garage, Woman admitted her ex had done the garage job himself so no certs or testing. The split load consumer unit is a safest panel box as compared to simple main switch, simple RCD type consumer unit or dual RCDs consumer unit. This way, the light bulbs will still glow if a fault occurs on the three pin socket which will trip the desired MCB. Moreover, connect the output Phase wire from the main switch to the RCBOs via common busbar segment. This way, a single phase load circuit is connected through three wires viz Phase, In a combination of RCD + RCBO distribution board or single phase 230V split load consumer unit, the load circuits should be connected via three wires i.e. This unit has one main switch, two RCDs and each circuit has its own MCB. These boxes can also be fitted with cartridge fuses or miniature circuit breakers (MCBs). Moreover, you may use RCBOs with RCD instead of single pole MCB if needed. We have used the followingIEC wiring color codes for 230V single phase supply voltage applicable in the UK and EU. Select the supplier or trade you require, enter your location to begin your search. . They are usually used as a sub-board to a main distribution panel. As U.S. inflation hit a four-decade high, rising prices in Southern California where costs of shelter and food are among the highest in the nation are warping the . How to Wire 120V Water Heater Thermostat Non-Simultaneous? Required fields are marked *. Even More Electrical Wiring Installation & Tutorials, A Complete Guide About Solar Panel Installation. The IET defines a consumer unit, also known as a consumer control unit or electricity control unit, as "a particular type of distribution board comprising a type-tested co-ordinated assembly for the control and distribution of electrical energy, principally in domestic premises, incorporating manual means of double-pole isolation on the incoming circuit(s) and an assembly of one or more fuses, circuit breakers, residual current operated devices or signalling and other devices proven during the type-test of the assembly as suitable for use."[1]. First of all, switch off the main switch or related MCB breaker in the main distribution board or consumer unit and make sure the main supply is turned off. *N1i5>/d'0I]f]WY`FX3 o<0`CRw/q!9G*0ZR/pu^lvX5V&`2^G". Notify me of follow-up comments by email. It burnt in the area where it connects to the copper busbar comb. Therefore, mixing of brands should generally be avoided and, where unavoidable, care should be taken to ensure that the breaker chosen is a good fit for the busbars. 63A, 3 No of Single Poles MCBs: 6A, 16A & 32A. Product Information Lockable covers are pre-assembled Ideal during first installation to ensure power isolation, and protect installer Barrel Lock included Direct replacement for standard cover For use with BG Fortress Consumer Units New up opening front cover Suitable for restricted space areas due to compact size Downloads 6181Y Easi-Fit Meter Tails Kit 25mm 3m. A consumer unit is a type of distribution board (a component of an electrical power system within which an electrical power feed provides supply to subsidiary circuits). Advice on installing a consumer unit. Necar Zadegan visits the Pull-In showroom for a fitting Los Angeles, California - 02.09.10. 137 0 obj <>/Filter/FlateDecode/ID[<85A5253DFD47C74748F4D751B9EBAC1A><0D20996C19DAF84BB25371BA76E38319>]/Index[102 62]/Info 101 0 R/Length 150/Prev 1202644/Root 103 0 R/Size 164/Type/XRef/W[1 3 1]>>stream This then becomes a split load consumer unit and is shown above. We work with the industries best to ensure that we recommend only reliable and trustworthy tradesmen. This example has a flying lead for the incoming neutral connection and a standard terminal for the line busbar. If only a small amount of load points are needed to power up through mains supply, they install a garage consumer unit instead of larger consumer units especially in outbuildings. fitting los necar . It protects electrical appliances from damage and more importantly, human beings from electrical shock. endstream endobj startxref Whilst each installation requires individual design and set up there are highly standardised and regulated approaches to configuration. Fig 13. Definition: An electrical bus bar is defined as a conductor or a group of conductor used for collecting electric power from the incoming feeders and distributes them to the outgoing feeders.In other words, it is a type of electrical junction in which all the incoming and outgoing electrical current meets. Please also see our project on the New Wiring and Cable Colours. So please! In, The following fig shows how to wire and install single phase 230V load circuits in split load CU. Doing your own electrical work is dangerous as well as illegal in some cases. Your email address will not be published. A Consumer Unit or Fuseboard is the single most important electrical device in any building. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'diydoctor_org_uk-box-3','ezslot_4',822,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-box-3-0');Warning: To complete electrical works you must comply with Electrical Regulations. Even More Electrical Wiring Installation & Tutorials, A Complete Guide About Solar Panel Installation. You may now restore back the power supply by turning ON the main switch or related circuit breaker in the consumer unit and test if it is working perfectly. The modern consumer unit is the centre, or heart, of the wiring system in the home. These cables are called tails, and in this instance, with this type of unit, are 16mm cables. A dual RCD consumer unit can be fitted. Circuit-breaker on left-hand side incorrectly installed with busbar tang/ finger outside the termination clamp Brown as Live L, Blue as Neutral N and Protective Earth E as Green with Yellow Stripe. RCBO & Arc fault protection is recommended in the 18th Edition 2018. In addition, RCD protection is a must in the consumer unit according to the IEC and IET: 17th edition BS-7671. If not applicable, Please follow the local area codes or general practiced color codes related to specific regions. A garage fuse box is simple to install, troubleshoot and repair due to the simplicity and basic design with top hinged door. Looks Like You're Using an Ad Blocker. Generally, there is a 40A, 2-Poles RCD and other related circuit breakers such as 6A, 16A, 32A MCB (circuit breakers) based on the system requirements. Save up to 70% with our image packs. In addition, the earth wire should be connected from the main earth terminal. Required fields are marked *. So please! Instructions on wiring a consumer unit to UK specifications for dual RCD and RCBO consumer units. For use with all Hager Design 10, 30 and 50 consumer units, the, FuseBox F2014MX 14 Way RCBO Consumer Unit + Surge Protection, Enviroburst Automatic Fire Supression System EBU1 195mm, Enviroburst Automatic Fire Supression System EBU2 300mm, Envirograf Intumescent Strip for 18th Edition Consumer Units 150x100mm, Envirograf Intumescent Strip for 18th Edition Consumer Units 300x75mm. For example, the LED lamp and ceiling fan is controlled and protected by RCD + MCBs. %PDF-1.4 % Examples in Imperial & Metric System, Working of Electric Mosquito Killer Racket / Fly Swatter Bat. Batten Fittings Site Lighting Bathroom Lighting Lamps & Tubes LED Compact Fluorescent LED Compact Fluorescent Motion Detectors Lighting Accessories Sockets, Switches & Data Switches & Sockets Zahler Square Edge Pearl Slimline Brushed Chrome Black Nickel Antique Brass Metal Clad Connect Grid Modules Euro Modules & Accessories 4g0OO*u7FuP"YG*:v(A jSnsE)o'TyNX4ob#Fyw+[? While the socket outlet and washing machine has been fully protected by RCBO i.e. This unit has one main switch, two RCDs and each circuit has it's own MCB. To do so, switch off the main switch in the main consumer unit or distribution board. Cheers E ElectekAir Well-known member Joined Jul 3, 2008 Messages 449 Reaction score 0 Jul 11, 2012 #2 The choice of consumer unit will reflect several factors such as the size and layout of the dwelling, number of floors, outbuildings, the expected load levels (ovens, showers, immersion heaters, electric blankets, car-chargers etc. The earth (N*), which has been left unsheathed for clarity, goes into the earth terminal block (C). How to Wire 120V Water Heater Thermostat Non-Simultaneous? You can install the electrical component directly onto a brick or plaster wall. A Garage Consumer is a type of consumer unit and distribution board (aka mini consumer unit) used to extend and provide electric supply to the exterior buildings such as shed, workshop or other outdoor installations in the garage. The terminal and busbar provide maximum flexibility and come as high integrity as standard for a combination of protected and unprotected circuits. . Mauris laoreet vulputate mauris. RCDs have a test button which creates an earth leak with a resistor, and it is usually recommended that they are tested once a month. Do not attempt removal or replacement unless you are you are qualified to Part P regulation standards. This would, most often, leave you in the unnecessary position of having no lights or power. As with all models in the range, there is ample cable space available even when RCBOs are fitted. Staircase Wiring Circuit Diagram How to Control a Lamp from 2 Places? The first one is a single load fuse board where the power coming in is taken through a double pole switch to a live bus bar. Hello, I have just noticed that the underside of one of the MCB's (40A Shower) on my Consumer Unit has burnt / charred, but was still working. IEC Wiring Color Codes for 230V, 1-Phase, 3-Wire System: EU & UK, Old UK Wiring Color Codes for Single Phase, 230V AC, Your email address will not be published. Environmental and energysaving LED lighting, Interior and exteriorportable power solutions, Audio visual andhome entertainment products, UK Customer Services: +44 (0)1952 238 100. In the tutorials above, We have used the IEC wiring color codes (applicable to EU, UK and other countries) as follows. How to Wire 240V, 208V & 120V, 1 & 3-Phase, High Leg Delta Main Panel? The box pictured top-right is a "Wylex standard" fitted with rewirable fuses. Import charges: Free amount confirmed at checkout. In a combination of RCD + RCBO distribution board or single phase 230V split load consumer unit, the load circuits should be connected via three wires i.e. The same wiring of split load consumer unit for RCD and RCBOs is shown in the following fig having the old UK wiring color codes (prior 2004). Keep in mind that load points and circuits can be connected directly to these two terminals i.e. This range of consumer units give the flexibility of choice of incoming arrangement and with the added inclusion of an SPD to be compliant with the 18th Edition Wiring Regulations BS7671. The case is a little bit different in case of RCBOs as follows. Barrel Lock And Key Set - Suitable For Locking Sentry Consumer Unit Lids. %%EOF Thus, the electrical bus bar collects the electric power at one location. hb`````g`e` ",l@0_;V'jl"!se\8:D4p@B@Zf20&b)ab\2u!r6CK\L4h6&nSn0hbX%sPm 4 How to Size a Load Center, Panelboards and Distribution Board? Never stand or touch wet and metal parts while repairing or installation. The garage consumer unit would then just have a mains switch and MCBs for each circuit. Usually this type of consumer unit also allows for fully flexible configuration, meaning there is no restriction on the number of RCBOs used. Vestibulum in blandit enim. Keep in mind that load points and circuits can be connected directly to these two terminals i.e. to the terminations when the front cover is fitted to a consumer unit. Consumer unit for installation with rcds. Some older systems such as those that use MK or old MEM Consumer Units that had one fuse per spur, so for instance: On this Wikipedia the language links are at the top of the page across from the article title. All project content written and produced by Mike Edwards, founder of DIY Doctor and industry expert in building technology. Contact the licensed electrician or the, The distribution board should not be installed 2.2 meter above the floor, must be protected from the corrosion and away from watery areas. Here is a detailed explanation of the consumer unit and how it should be installed in the UK. An RCBO consumer unit has one main switch but each circuit is protected by an RCBO which is a combination of an MCB and an RCD. Corridor Wiring Circuit Diagram Hallway Wiring using 2-Way Switches, Tunnel Wiring Circuit Diagram for Light Control using Switches, Hospital Wiring Circuit for Light Control using Switches, Hotel Wiring Circuit Bell Indicator Circuit for Hotelling, Hostel Wiring Circuit Diagram and Working, Godown Wiring Diagram Tunnel Wiring Circuit and Working. This protects all areas including showers and cookers, but if one trips the other will ensure at least some lights and some sockets still work. endstream endobj startxref When screwed tight this gives live feed to all the MCBs.Consumer Unit with MCBs and Bus Bar. Ensure that busbar tangs/fingers are located correctly in the terminal (see Fig 13). MCB Retro-Fit Kit - For Use When Installing MCBs Into Old Sentry Consumer Units With Fork Style Busbar. Notify me of follow-up comments by email. Similarly, the 32A breaker can be used for electric ranges, electric showers and other high power devices. Solid busbar pin and stranded wire in the same terminal, not designed for that. Disconnect the power supply (and make sure it is really switched OFF) before servicing, repairing or installing electrical equipment. For example, the LED lamp and, LED lamp & ceiling fan are protected by Main Switch => RCD => Single Pole MCB, Ceiling Fan & Socket Outlet Protected by Main Switch => RCBO = (RCD + MCB), IEC Wiring Color Codes 1-, 230V UK & EU. This may helpful for the readership outside the UK and EU who still follow the old UK wiring color codes i.e. It has been suggested that this article be, IET Wiring Regulations Seventeenth Edition - British Standard BS7671:2008, Part 2 Definitions, "Google search on UK availability of Modern breakers for older consumer units", "Innovative Bury company recognised with three award nominations", https://en.wikipedia.org/w/index.php?title=Consumer_unit&oldid=1133121403, Creative Commons Attribution-ShareAlike License 3.0, Main Switch Consumer Unit - Offers highest degree of circuit separation as all circuits must be protected from earth leakage independently. It may be used, for example, with a main switch board when mounting an RCD. A consumer unit can use an RCD as the main switch. How to Wire Combo of 3 & 1-, 400V/230V Distribution Board? An information label near the consumer unit explains this. For load circuits wiring, there are two terminals on the output side of an RCBO viz Phase and Neutral. no need to connect the Neutral wire from the main neutral terminal in the consumer unit. In short, there should be two phase wires from the same line terminal of MCB. Keep up to date with our DIY projects, tips and latest deals, DIY Doctor Ltd, The Workshop, Newbury Works, Somerset, BA3 5RX, DIY Doctor Ltd 2023 All Rights Reserved, Company Number: 05863375 | VAT Number: 811134774. Step by Step Procedure with Calculation & Diagrams, How to Size a Single Phase and Three Phase Transformer in kVA? The top mounted terminal rail makes the wiring of the neutral and earth connections neat and simple. ENVIRO EBU1. First of all, disconnect the Fuse between kWH energy meter and the utility pole to cut-off the main power supply. This can be done in 3 ways. This allows the circuit to be divided into two, usually one upstairs, one down. Left one may be correct, but it's too short, the red loop of wire is not acceptable. The following fig shows how to wire and install single phase 230V load circuits in split load CU. == Time Stamps - Cut to the action ==00:00 - Fitting MCBs or RCBOs to a bus bar00:33 - No miss bus bar technology 01:01 - Bottom of the RCBO bus bar demonstration 01:25 - Quick release technology01:52 - Fitting an RCBO into a consumer unitVideos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2, 3 plus AM2, AM2S and AM2E. The ordinary consumer unit is exactly the same in principle without the RCD.Consumer Unitif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'diydoctor_org_uk-banner-1','ezslot_6',684,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-banner-1-0'); Under the 17th edition regulations it is required that every socket is protected by an RCD. Fully Loaded Consumer Unit This is a popular solution due to its low cost and comprises a dual RCD board supplied complete with MCBs. In the above case, you may connect the lighting points to the 6A MCB while the dual socket (for immersion heaters or dedicated freezer circuits) to the 16A MCB. VAT), Unit 34, Chess Business Park, Moor Road, Chesham, HP5 1SD, Thank you for signing up to our newsletter. Click here for more information. Wiring a Garage Consumer Unit with RCD & Connecting 1-, 230V Load Points in it. +M/g(_Gey>gsNja &txO{~`rp.^^sKPE$q&Sf14>d%72Z&Jv^Fb7KCE| -jyjkg5)\s_en?NnansZ&x{%E tOlS)],b3asA/ ^5+/*'p^G6?( Y!u)-RGJ@sLsh &P?Qh'rq. The output N terminal of RCD should be connected to the Neutral busbar terminal in the consumer unit. The first of these is to protect any socket which may be reasonably expected to supply equipment outside the house (Strimmers, lawn mowers, hedge trimmers, pond pumps, sheds, lights etc etc). Generally a "split load" arrangement is used with some circuits protected by the RCD, and others not. How to Wire 240V, 208V & 120V, 1 & 3-Phase, High Leg Delta Main Panel? The United Kingdom was using their own wiring color codes (prior April, 2004) while some countries are still following the same old UK wiring color code. If you need to find a tradesperson to get your job done, please try our local search below, endstream endobj 103 0 obj <> endobj 104 0 obj <>/ExtGState<>/Font<>/XObject<>>>/Rotate 0/StructParents 1/Type/Page>> endobj 105 0 obj <>stream 46.93 inc vat. For example, a dual split-load consumer unit can be arranged in a two-story dwelling as follows: By arranging the circuits like this, power will still be present on one of the floors if only one RCD trips out. A consumer unit can use an RCD as the main switch. %%EOF Located in: bromley, Kent, United Kingdom. Circuit Protection Consumer Units Accessories, Luceco plcLuceco Distribution CentreStafford Park 1, TelfordShropshire TF3 3BD, Luceco plcCaparo House103 Baker StreetLondon W1U 6LN, {{cats[current_cat].sub_cats[current_subcatOrder][current_subcat].products[current_prodOrder].data.part_no}}, View the rest of the Consumer Units range. 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. This rule pretty much covers every single socket in the house so the ring main should be placed on the RCD protected side of the consumer unit. This generally applies to higher Amp rated appliances (showers, cookers etc) but it should always be checked with an electrician as to which circuits need to be placed on the RCD side of the consumer unit. In the image below, this shows the live (K) and neutral (J) coming into the main double pole switch from the meter. Nulla vel ex eget lacus imperdiet mattis convallis quis leo. Entdecke British General Consumer Unit 10-Wege Dual RCD MCB bevlkert in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! Don't fancy doing this project yourself? The resistor passes more current than that required for tripping, and the duration of the test is not limited, so testing in this way does not provide proof that the unit is working to specification. You are using an out of date browser. The CU never tripped and it and the MCB's are not overloaded. A consumer unit is a type of distribution board . Get Free Android App | Download Electrical Technology App Now! It's easy to connect your consumer unit to an isolation device with this Busbar 10 Module. Moreover, having sockets and lights on alternate RCD's means that if a faulty kettle downstairs trips that RCD for example, the kitchen lights will still be available, avoiding the hazard of investigating the fault in darkness. The protection devices in a split load CU do the following jobs. administered by the California Department of Social Services to . HAG VML110. The rail and the shape of the front opening are standardized but the busbar arrangements are not. RCD +MCB in a single unit. Installation Instructions . Governor Newsom today also announced $47 million in housing grants to create more residential care options for seniors and adults with disabilities, including people at risk of or experiencing homelessness.These grants are the first to be awarded through the new Community Care Expansion (CCE) - Capital Expansions Grants Program. When the MCBs are clipped onto the DIN bar, the bus bar is inserted into the live terminal at the bottom of the MCB. Although more expensive than a consumer unit with one or two RCDs and separate circuit breakers, RCBOs have the advantage that a fault will only affect a single circuit . Phase, Neutral and Protective Earth. Im more worried about the one on the right. A dual RCD consumer unit can be fitted. Consumer Unit Busbar - 20 Modules. Home > DIY How To Projects and Tutorial Guides > Installing a Consumer Unit Consumer Units Explained. Nullam ultricies malesuada dignissim. There were a number of similar designs from other manufacturers but the Wylex ones are by far the most commonly encountered and the only ones for which fuseholders/breakers are still commonly available. All images used on this website are subject to copyright Luceco plc and other image rights holders where applicable. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Enter Your Email Address to Subscribe to this Blog and Receive Notifications of New Posts by Email. It may not display this or other websites correctly. Also, dont connect the lighting points and three pin sockets to the same MCB. You simply plug the electronic component into the bottom of your circuit board and secure it in place. Be careful because its all about electricity and electricity is too dangerous. 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_14',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. Phase from single pole MCB, Neutral from Neutral busbar and Earth wire from the. Similarly, connect the Phase or Live wire L (Brown color) to the live terminal of RCD. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'diydoctor_org_uk-medrectangle-3','ezslot_7',823,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-medrectangle-3-0');We will deal with the two main types of consumer unit found in the home today. EE-Tools, Instruments, Devices, Components & Measurements, How to Connect Load Circuits in the Garage Consumer Unit, How to Wire Single-Phase, 230V Consumer Unit with RCD? This type of consumer unit was very popular in Britain until 2001 when wiring regulations mandated residual current device (RCD) protection for sockets that could "reasonably be expected to" supply outdoor equipment (BS 7671:2001, .mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free a,.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited a,.mw-parser-output .id-lock-registration a,.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription a,.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:#d33}.mw-parser-output .cs1-visible-error{color:#d33}.mw-parser-output .cs1-maint{display:none;color:#3a3;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}ISBN0-86341-373-0).