== 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. (14 Available), 10.80 Black for Neutral, Red for Phase or Hot and Green for earthing. When screwed tight this gives live feed to all the MCBs.Consumer Unit with MCBs and Bus Bar. You may now restore back the power supply by turning ON the main switch or related. Before fitting the front cover, check the tightness of all screw type connections, including factory made connections. A consumer unit can use an RCD as the main switch. 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). Required fields are marked *. Doing your own electrical work is dangerous as well as illegal in some cases. Here is a detailed explanation of the consumer unit and how it should be installed in the UK. We have used the followingIEC wiring color codes for 230V single phase supply voltage applicable in the UK and EU. No you cant use other brands with the exception of Crabtree ones that look the same. 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. There are two built-in wires namely FE Functional Earth as white colored wire and N Neutral as blue colored wire. Click here for more information. They simply push on via a spring loaded lock at their back. This screws into the earth terminal block (C). This can be done in 3 ways. 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. 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. The earth (N*), which has been left unsheathed for clarity, goes into the earth terminal block (C). In the image below, this shows the live (K) and neutral (J) coming into the main double pole switch from the meter. 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. A smaller white lead is a functional earth connection. An RCD is a manually operated isolator switch, but it is also an automatic safety device that will trip and cut off as soon as it senses an earth fault. A look at RCBOs and how they are fitted into a typical consumer unit. In Stock Never stand or touch wet and metal parts while repairing or installation. 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. 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. Left one may be correct, but it's too short, the red loop of wire is not acceptable. So please! The split board shown here has one RCD and is a simple version to show the user how the board works. Mauris laoreet vulputate mauris. Consumer Unit Busbar - 20 Modules. To connect the rated MCBs and RCD in the garage consumer unit for specific appliances, follow the following simple steps. This way, the light bulbs will still glow if a fault occurs on the three pin socket which will trip the desired MCB. For use with all Hager Design 10, 30 and 50 consumer units, the VAB16 16 module busbar may be cut to suit any board. So please! 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. 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. MCB Retro-Fit Kit - For Use When Installing MCBs Into Old Sentry Consumer Units With Fork Style Busbar. How to Wire 120V Water Heater Thermostat Non-Simultaneous? 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. The top mounted terminal rail makes the wiring of the neutral and earth connections neat and simple. This will protect all circuits but if the RCD trips, so do all circuits. fitting los necar . Don't want to do this job yourself? Sed feugiat sem id nunc finibus, et facilisis dolor aliquam. Staircase Wiring Circuit Diagram How to Control a Lamp from 2 Places? Advice on installing a consumer unit. Breaker Box Installation. When an electrician must be called out, this localised fault can be resolved faster (and therefore cheaper) in contrast with the RCD+MCB's arrangement, which only indicates a fault somewhere within that RCD's set of circuits. no need to connect the Neutral wire from the main neutral terminal in the consumer unit. 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). To do so, switch off the main switch in the main consumer unit or distribution board. In short, there should be two phase wires from the same line terminal of MCB. If not applicable, Please follow the local area codes or general practiced color codes related to specific regions. 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. Electric Bill Calculator with Examples, How to Find The Suitable Size of Cable & Wire for Electrical Wiring Installation? Now, connect the service cable (two wires as Phase and Neutral from the utility pole and energy meter) to the single phase two poles main switch. Consumer Units . 46.93 inc vat. You can follow me day by day on Facebook, Instagram, Twitter and TikTok lookout for \"GSH Electrical. Brown as Live L, Blue as Neutral N and Protective Earth E as Green with Yellow Stripe. Check that all live prods on the devices are fully inserted and located into the live busbar. Installation Instructions . To control the ON/OFF operation of the electrical appliances, an SP or DP switchescan be used in the sub circuits and final sub circuits. 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! The first one for RCBOs common busbar and the second one for RCD and common busbar for associatedMCBs. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'diydoctor_org_uk-medrectangle-4','ezslot_9',824,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-medrectangle-4-0');The cables to the house circuits are connected to the other side of the MCBs. For load circuits wiring, there are two terminals on the output side of an RCBO viz Phase and Neutral. If a fault develops on one circuit, all circuits would be switched off immediately. 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. Fig 13. 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. Please check your inbox to confirm your subscription. If you need to find a tradesperson to get your job done, please try our local search below, For load circuits wiring, there are two terminals on the output side of an RCBO viz Phase and Neutral. Nulla vel ex eget lacus imperdiet mattis convallis quis leo. No worries, you may use a single Neutral busbar for this purpose. It May Be Used To Fit Up To Three New Sentry MCBs. In the image below, we show the earth cable from the meter (L). The output N terminal of RCD should be connected to the Neutral busbar terminal in the consumer unit. Solid busbar pin and stranded wire in the same terminal, not designed for that. The unit distributes the electricity, via fuses of one kind or another, to the different circuits in the house. The modern consumer unit is the centre, or heart, of the wiring system in the home. This saves you the expense of replacing the entire board when you need to reconfigure electrical circuits. hbbd```b``1A$v0D2HVf"92@$X ~:9&9A$7X @e:d;$ '5H~ m`00-@ M This will vary and you should always check with a qualified electrician.Main double pole isolation switch on din bar with live and neutral coming into the main double pole switch from the meter and earth terminal block, Main double pole isolation switch on din bar with live and neutral coming into the main double pole switch from the meter and earth terminal block. How to Wire 277V & 480V, 1-Phase & 3-Phase, Commercial Main Service Panel? Donec ex felis, scelerisque ut facilisis et, convallis nec magna. RCD (Residual Current Device) and RCBO (Residual Current Device) is the term used in the UK while the same protection device named as GFCI (Ground Fault Circuit Interrupter), GFI (Ground Fault Interrupter), LCDI (Leakage Current Detection Interrupter) and ALCI (Appliance Leakage Current Interrupter). %PDF-1.6 % Nullam ultricies malesuada dignissim. The garage consumer unit would then just have a mains switch and MCBs for each circuit. It is because split load consumer units provide protection against overload, overcurrent & short-circuit and earth leakage. Located in: bromley, Kent, United Kingdom. no need to connect the Neutral wire from the main neutral terminal in the consumer unit. Ashley consumer units, anuone got any breakers. In this video I demonstrate how to fit a Wylex miniature circuit breaker and then show how easy it is to remove it from the busbar. Split load consumer unit is the combination of RCBO "Residual Current . How to Wire 277V & 480V, 1-Phase & 3-Phase, Commercial Main Service Panel? It may not display this or other websites correctly. 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. BG is a registered trademark and member of the Luceco plc group of companies. 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. (ex. Electric Bill Calculator with Examples, How to Find The Suitable Size of Cable & Wire for Electrical Wiring Installation? This then becomes a split load consumer unit and is shown above. endstream endobj startxref 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. 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. How to Size a Load Center, Panelboards and Distribution Board? Required fields are marked *. Ensure that busbar tangs/fingers are located correctly in the terminal (see Fig 13). 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. A garage consumer unit is used to feed up fewer load circuits (generally 2-5 units). Search stock photos by tags. Additionally, connect the single pole MCB to RCD through a common busbar segment as shown in fig. marketing, promotion, packaging, advertorials, and consumer or merchandising products. 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 How to fit a miniature circuit breaker (MCB) or RCBO to a busbar in a consumer unit (fuse box). As with all models in the range, there is ample cable space available even when RCBOs are fitted. 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. care should be taken to ensure that the breaker chosen is a good fit for the busbars. The following fig shows how to wire and install single phase 230V load circuits in split load CU. Grab your copy now for all the DIY help you need right at your finger tips! Also, dont connect the lighting points and three pin sockets to the same MCB. 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