Whilst each installation requires individual design and set up there are highly standardised and regulated approaches to configuration. Step by Step Procedure with Calculation & Diagrams, How to Size a Single Phase and Three Phase Transformer in kVA?
Please Whitelist Our Website by Allowing Ads, How to Wire 1-Phase Split Load Consumer Unit? We will be using the IEC wiring color codes which is also applicable to EU, UK and other countries. Examples in Imperial & Metric System. illinois obituaries 2020 . Before fitting the front cover, check the tightness of all screw type connections, including factory made connections. 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. A garage fuse box is simple to install, troubleshoot and repair due to the simplicity and basic design with top hinged door. 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. In addition, the earth wire should be connected from the main earth terminal. Environmental and energysaving LED lighting, Interior and exteriorportable power solutions, Audio visual andhome entertainment products, UK Customer Services: +44 (0)1952 238 100. Barrel Lock And Key Set - Suitable For Locking Sentry Consumer Unit Lids. [2], Some manufacturers have added innovative features such as CPN Cudis who have added a LED strip light to their 'Lumo' consumer unit to enhance visibility in dark locations such as under staircases.[3]. You may now restore back the power supply by turning ON the main switch or related. A consumer unit can use an RCD as the main switch. You are here:BG Electrical
To do so, switch off the main switch in the main consumer unit or distribution board. Notify me of follow-up comments by email. https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.co.uk/ulk/itm/203078425782. Lorem ipsum dolor sit amet, consectetur adipiscing elit. In single phase supply, the voltage between phase and neutral is 230V AC. Grab your copy now for all the DIY help you need right at your finger tips! 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. How to Wire and Install an Electrical Outlet Receptacle? care should be taken to ensure that the breaker chosen is a good fit for the busbars. A split load board is designed for total safety and incorporates an RCD (Residual Current Device, shown as E in the picture above) as well as the double pole switch (D). How to Wire 120V Water Heater Thermostat Non-Simultaneous? k'(Pr} DtD&}C{u*3Ym,dzWHo+H9wKCf.}tOGn1>P|p[}1s`91bLldsi_>-NM2'fiHKYw4+\Gl{(A,?zC "G>E a^
IEC, UK & EU, How to Wire 1-Phase Split Load Consumer Unit? 9.00
Read carefully all the cautions and instructions and follow them strictly while doing this tutorial or any other work in practical related to electrical works. 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? How to Wire 120V & 240V Main Panel? In addition, RCD protection is a must in the consumer unit according to the IEC and IET: 17th edition BS-7671. 0
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). Yes, that is a bus bar and there is also a shorter bus-bar on the left. 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 . Here is a detailed explanation of the consumer unit and how it should be installed in the UK. 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. 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 . In this case it is a 2.5mm cable for the ring main.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'diydoctor_org_uk-leader-4','ezslot_16',812,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-leader-4-0'); The live (O) is fixed into the top of an MCB on the RCD side of the unit, while the neutral (M) goes to the RCD neutral terminal block. 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. RCD+RCBO, Wiring a Single-Phase Split Load Consumer Unit & Distribution Board : IEC, EU & UK, Split load consumer unit is the combination of, MCB = Overload and overcurrent Protection, RCD = Earth Fault Protection (to avoid electric shock), RCBO = MCB + RCD = Earth Fault + Overload and Overcurrent Protection. Save up to 70% with our image packs. [email protected] The United Kingdom is following IEC wiring color codes now. VAT), Unit 34, Chess Business Park, Moor Road, Chesham, HP5 1SD, Thank you for signing up to our newsletter. How to Wire 120V & 240V Main Panel? Do not attempt removal or replacement unless you are you are qualified to Part P regulation standards. The case is a little bit different in case of RCBOs as follows. A garage fuse box is simple to install, troubleshoot and repair due to the simplicity and basic design with top hinged door. I intend to run a ring main for sockets all round the garage, a radial for three florescent lights and potential a radial high amp outlet for a welder. (ex. These boxes can also be fitted with cartridge fuses or miniature circuit breakers (MCBs). FACEBOOK https://www.facebook.com/gshelectrical/ INSTAGRAM https://instagram.com/p/BrIhZmrAYGDTmjMdb9lUNQodMevqsbDDki3qpQ0/ TWITTER https://mobile.twitter.com/gsh_electrical TikTok https://vm.tiktok.com/ZMRBLFdhe/#GSHElectrical #Electricaltrainingvideos Sed feugiat sem id nunc finibus, et facilisis dolor aliquam. 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. Includes international tracking. K5593S. RCD+MCB, Wiring of the Distribution Board with RCD, Wiring of the Distribution Board without RCD, Single Phase Electrical Wiring Installation in Home NEC & IEC, Three Phase Electrical Wiring Installation in Home NEC & IEC, How to Wire a Three Phase, 400V Distribution Board? The use of RCDs is necessary, on two occasions, to meet the wiring regulations. Consumer Unit Busbar - 11 Modules. Never stand or touch wet and metal parts while repairing or installation. Electrical and Industrial | Power management solutions | Eaton There are two additional Neutral busbars in the consumer unit viz for RCBOs and RCDs (for simplification and illustration). 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. 102 0 obj
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How to Wire 208V & 120V, 1-Phase & 3-Phase Main Panel? The terminal and busbar provide maximum flexibility and come as high integrity as standard for a combination of protected and unprotected circuits. (14 Available), 10.80
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. 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. It protects electrical appliances from damage and more importantly, human beings from electrical shock. RCBO & Arc fault protection is recommended in the 18th Edition 2018. The modern consumer unit is the centre, or heart, of the wiring system in the home. A Split Load Consumer Unit is also known as High Integrity Consumer Unit which contains both RCDs and RCBOs. All about Electrical & Electronics Engineering & Technology. the Neutral wire should be connected through Neutral Terminal (The symbol N is printed on the RCD nameplate to identify the Neutral terminal. 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. You can follow me day by day on Facebook, Instagram, Twitter and TikTok lookout for \"GSH Electrical. Reproduction prohibited unless prior permission is granted by Luceco plc in writing. On a job today and in a consumer unit came across a split load board with usual cables from bottom of main switch to rcds. 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. 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. All cables and connections to the consumer unit must be checked and tested by a qualified electrician. Let us help you find a tradesman local to you. Phase from single pole MCB, Neutral from Neutral busbar and Earth wire from the. Since the introduction of (BS 7671:2008 incorporating amendment no 1: 2011) 17th Edition IET Wiring Regulations, consumer units in the UK must provide RCD protection to all cables embedded in walls excepting high integrity circuits such as those for burglar alarms or smoke alarms. This way, a single phase load circuit is connected through three wires viz Phase, Neutral and Earth wire. ), and how much protection is required for each circuit. A dual RCD consumer unit can be fitted. You may need more about the protection devices in the previous post under the title of differences between MCB, MCCB, ELCB & RCB, RCD or RCCB/RCBO Circuit Breakers. This will protect all circuits but if the RCD trips, so do all circuits. The busbar is cut to size by the electrician, when installing the consumer unit and 'plugs in' to the bottom of all devices. As with all models in the range, there is ample cable space available even when RCBOs are fitted. RCD +MCB in a single unit. 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. Posted on June 29, 2022 in gabriela rose reagan. hb`````g`e` ",l@0_;V'jl"!se\8:D4p@B@Zf20&b)ab\2u!r6CK\L4h6&nSn0hbX%sPm 4
46.93 inc vat. No worries, you may use a single Neutral busbar for this purpose. UK & IEC Wiring Color Codes Single Phase Supply, Your email address will not be published. . Follow, Copyright 2023, All Rights Reserved 2012-2023 by, Looks Like You're Using an Ad Blocker. Keep in mind that load points and circuits can be connected directly to these two terminals i.e. Just wanted to check this is ok? Right busbar is fitted incorrectly - the label end should fit into the RCD, however it's not just a case of turning it round, because it's either the wrong bar, or someone has assembled the consumer unit incorrectly. Now, connect the output Neutral wire from the main switch (as blue color) to the common Neutral Busbar terminal in the consumer unit. How to Wire Combo of 3 & 1-, 400V/230V Distribution Board? Keep in mind that load points and circuits can be connected directly to these two terminals i.e. This saves you the expense of replacing the entire board when you need to reconfigure electrical circuits. Starbreaker consumer units are available as factory built units or for on site assembly in In electric power distribution, a busbar (also bus bar) is a metallic strip or bar, typically housed inside switchgear, panel boards, and busway enclosures for local high current power distribution. To connect the rated MCBs and RCD in the garage consumer unit for specific appliances, follow the following simple steps. Please also see our project on the New Wiring and Cable Colours. You are using an out of date browser. 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. If you need to find a tradesperson to get your job done, please try our local search below, ENVIRO EBU1. All project content written and produced by Mike Edwards, founder of DIY Doctor and industry expert in building technology. BG is a registered trademark and member of the Luceco plc group of companies. or if you are doing it yourself you can find suppliers local to you. A dual RCD consumer unit can be fitted. Necar Zadegan visits the Pull-In showroom for a fitting Los Angeles, California - 02.09.10. Thus, the electrical bus bar collects the electric power at one location. In addition, for arc fault protection (mentioned first time in the the IET Wiring Regulations 18th edition BS 7671: 2018, AFDD (Arc Fault Detection Device) is the term used in the UK while it is known as AFCI (Arc Fault Circuit Interrupter) in the US. 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. 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. 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. 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. 163 0 obj
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The garage consumer unit would then just have a mains switch and MCBs for each circuit. Consumer Units Designed for safety, installation and aesthetics. 112 0 obj
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This item is commonly used in both residential and commercial settings including garages, outhouses and stables. K5511S. As they are very sensitive, it is not practical to fit one RCD to protect the whole house. A smaller white lead is a functional earth connection. 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. 6181Y Easi-Fit Meter Tails Kit 25mm 3m. Staircase Wiring Circuit Diagram How to Control a Lamp from 2 Places? How to Wire 208V & 120V, 1-Phase & 3-Phase Main Panel? Moreover, connect the output Phase wire from the main switch to the RCBOs via common busbar segment. 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). In addition, the earth wire should be connected from the main earth terminal. This page was last edited on 12 January 2023, at 10:04. This may helpful for the readership outside the UK and EU who still follow the old UK wiring color codes i.e. Delivery: Estimated between Fri, 17 Mar and Wed, 22 Mar to 23917. 22.13 inc vat. Mauris laoreet vulputate mauris. MCB Retro-Fit Kit - For Use When Installing MCBs Into Old Sentry Consumer Units With Fork Style Busbar. Vivamus consectetur mattis dapibus. See details. High Integrity Consumer Unit - Usually used in larger properties with greater numbers of circuits, this type of consumer unit offers good circuit separation through the use of two or more RCDs whilst allowing for the independent use of RCBOs. So please! Phase, Neutral and Protective Earth. The earth (N*), which has been left unsheathed for clarity, goes into the earth terminal block (C). All of this is explained more thoroughly when we deal with the second type of unit, which is the split load unit. Located in: bromley, Kent, United Kingdom. K5590S. How to Wire 277V & 480V, 1-Phase & 3-Phase, Commercial Main Service Panel? Domestic busbars are simply plugged into the bottom of the relevant devices and secured into place. When screwed tight this gives live feed to all the MCBs.Consumer Unit with MCBs and Bus Bar. endstream
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This allows the circuit to be divided into two, usually one upstairs, one down. Moreover, you may use RCBOs with RCD instead of single pole MCB if needed. To connect a single phase 230V AC load circuit to the newly installed garage consumer unit, keep in mind that the Live should be taken from the output terminals of MCB and Neutral and Earth from the Neutral & Earth Busbar terminals in the CU respectively. RCD+RCBO, How to Wire 230V Dual Split Load Consumer Unit? 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! Similarly, connect the Phase or Live wire L (Brown color) to the live terminal of RCD. Left one may be correct, but it's too short, the red loop of wire is not acceptable. Read carefully all the cautions and instructions and follow them strictly while doing this tutorial or any other work in practical related to electrical works. no need to connect the Neutral wire from the main neutral terminal in the consumer unit. I have installed a new mcb in my consumer unit. You must log in or register to reply here. Ensure that busbar tangs/fingers are located correctly in the terminal (see Fig 13). We Rely on Advertising to Help Fund Our Site and Provide Free Information. This unit has one main switch, two RCDs and each circuit has it's own MCB. How to Wire 240V, 208V & 120V, 1 & 3-Phase, High Leg Delta Main Panel? Similarly, the 32A breaker can be used for electric ranges, electric showers and other high power devices. Black for Neutral, Red for Phase or Hot and Green for earthing. This example has a flying lead for the incoming neutral connection and a standard terminal for the line busbar. Each fuse, or MCB, is clipped onto a DIN bar and the "teeth" of the bus bar are inserted into the MCBs. For use with all Hager Design 10, 30 and 50 consumer units, the VAB16 16 module busbar may be cut to suit any board. When the MCBs are clipped onto the DIN bar, the bus bar is inserted into the live terminal at the bottom of the MCB. marketing, promotion, packaging, advertorials, and consumer or merchandising products. This way, the protection to the load points are as follows. In, The following fig shows how to wire and install single phase 230V load circuits in split load CU. 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. The rail and the shape of the front opening are standardized but the busbar arrangements are not. Hager VML110 10 Way RCBO Consumer Unit. Consumer Units . For load circuits wiring, there are two terminals on the output side of an RCBO viz Phase and Neutral. Search stock photos by tags. Phase from single pole MCB, Neutral from Neutral busbar and Earth wire from the Earthing/Grounding busbar. You can install the electrical component directly onto a brick or plaster wall. Download this stock image: Necar Zadegan visits the Pull-In showroom for a fitting Los Angeles California - D0N3EA from Alamy's library of millions of high resolution stock photos, illustrations and vectors. . Never stand or touch wet and metal parts while repairing or installation. The top mounted terminal rail makes the wiring of the neutral and earth connections neat and simple. 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. While the socket outlet and washing machine has been fully protected by RCBO i.e. Looks Like You're Using an Ad Blocker. 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. IEC & UK. The photographs are of a split load fuse board. 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). 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. 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? 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]. How to fit a miniature circuit breaker (MCB) or RCBO to a busbar in a consumer unit (fuse box). JavaScript is disabled. All the. 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. 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. consumer unit busbar fitting. The FE should be connected to the main earth terminal block while the N as neutral should be connected to the main neutral terminal. Wylex have no miss busbar connections and quick release technology built into their circuit breakers, RCBO's and AFDDs.
We love feedback on our DIY tutorials it helps us to make them the best they possibly can be so if you have any comments you would like to share with us, click the button below and let us know. Brown as Live L, Blue as Neutral N and Protective Earth E as Green with Yellow Stripe. This can also be an expensive solution as it necessarily uses, Dual RCD Consumer Unit - Offers a cost-effective solution to meet 17th Edition Regulations by protecting two banks of circuits from earth leakage through the use of two. Staircase Wiring Circuit Diagram How to Control a Lamp from 2 Places? 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. Im more worried about the one on the right. Now connect the Neutral wire N (Blue color) to the input N terminal of RCD.
Import charges: Free amount confirmed at checkout. A consumer unit is a type of distribution board . 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). The split load consumer unit is a safest panel box as compared to simple main switch, simple RCD type consumer unit or dual RCD's consumer unit. Additionally, connect the single pole MCB to RCD through a common busbar segment as shown in fig. This allows the circuit to be divided into two, usually one upstairs, one down. 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. 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).