You may now restore back the power supply by turning ON the main switch or related. Whilst each installation requires individual design and set up there are highly standardised and regulated approaches to configuration. They simply push on via a spring loaded lock at their back. Similarly, connect the Phase or Live wire L (Brown color) to the live terminal of RCD. To do so, switch off the main switch in the main consumer unit or distribution board. The earth (N*), which has been left unsheathed for clarity, goes into the earth terminal block (C). This saves you the expense of replacing the entire board when you need to reconfigure electrical circuits. 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. 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. Environmental and energysaving LED lighting, Interior and exteriorportable power solutions, Audio visual andhome entertainment products, UK Customer Services: +44 (0)1952 238 100. 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. Staircase Wiring Circuit Diagram How to Control a Lamp from 2 Places? 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. Staircase Wiring Circuit Diagram How to Control a Lamp from 2 Places? 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. Design 10 Design 10 is our board for all applications. So please! In the tutorials above, We have used the IEC wiring color codes (applicable to EU, UK and other countries) as follows. . https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.co.uk/ulk/itm/203078425782. Let us help you find a tradesman local to you. Even More Electrical Wiring Installation & Tutorials, A Complete Guide About Solar Panel Installation. . The output N terminal of RCD should be connected to the Neutral busbar terminal in the consumer unit. The split board shown here has one RCD and is a simple version to show the user how the board works. Phase from single pole MCB, Neutral from Neutral busbar and Earth wire from the. Copyright 2008-2023 Flameport Enterprises Ltd - - Terms & Conditions - Contact details - Author: John Ward. Ensure that busbar tangs/fingers are located correctly in the terminal (see Fig 13). [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]. 9.00
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. 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. It protects electrical appliances from damage and more importantly, human beings from electrical shock. Another way to protect circuits under the 17th Edition IET Wiring Regulations is by fitting Residual Current Circuit Breaker With Overload (RCBOs) to every circuit, and although this is more costly than the RCD+MCB's option, it means any fault condition on a circuit trips only that circuit's RCBO, so the search for the fault is narrowed down from the start. Please Whitelist Our Website by Allowing Ads, How to Wire 1-Phase Split Load Consumer Unit? 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. 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. 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. This will protect all circuits but if the RCD trips, so do all circuits. A garage fuse box is simple to install, troubleshoot and repair due to the simplicity and basic design with top hinged door. An information label near the consumer unit explains this. < Consumer Unit Accessories Busbars A busbar is installed within a power distribution board and is designed to connect circuit devices to isolation devices. You are using an out of date browser. 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. Split load consumer unit is the combination of RCBO Residual Current Breaker with Over-Current, RCD Residual Current Device and MCB Miniature Circuit Breaker. 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 This allows the circuit to be divided into two, usually one upstairs, one down. The garage consumer unit would then just have a mains switch and MCBs for each circuit. In addition, connect the RCD to the output phase wire of the main switch through jumper wire(as brown color). This may helpful for the readership outside the UK and EU who still follow the old UK wiring color codes i.e. Your email address will not be published. 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. You can follow me day by day on Facebook, Instagram, Twitter and TikTok lookout for \"GSH Electrical. 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). Grab your copy now for all the DIY help you need right at your finger tips! A smaller white lead is a functional earth connection. Ensure that busbar tangs/fingers are located correctly in the terminal (see Fig 13). Moreover, connect the output Phase wire from the main switch to the RCBOs via common busbar segment. 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. Before fitting the front cover, check the tightness of all screw type connections, including factory made connections. How to Wire and Install an Electrical Outlet Receptacle? We Rely on Advertising to Help Fund Our Site and Provide Free Information. 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. ENVIRO EBU1. Starbreaker consumer units are available as factory built units or for on site assembly in How to Wire 120V Water Heater Thermostat Non-Simultaneous? 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. Because of this it actually contravenes the most recent (16th Edition) wiring regulations.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'diydoctor_org_uk-large-mobile-banner-1','ezslot_12',688,'0','0'])};__ez_fad_position('div-gpt-ad-diydoctor_org_uk-large-mobile-banner-1-0'); This is easily prevented by using an RCD in conjunction with a main, double pole isolating switch so that it protects only some of the more vulnerable circuits. 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. Domestic busbars are simply plugged into the bottom of the relevant devices and secured into place. 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? +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. How to fit a miniature circuit breaker (MCB) or RCBO to a busbar in a consumer unit (fuse box). A consumer unit can use an RCD as the main switch. K5511S. How to Wire and Install an Electrical Outlet Receptacle? 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 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 terminal and busbar provide maximum flexibility and come as high integrity as standard for a combination of protected and unprotected circuits. Phase from single pole MCB, Neutral from Neutral busbar and Earth wire from the Earthing/Grounding busbar. Required fields are marked *. Please see our project on Part P of the building regulations for information on DIY Electrical Installation. Just wanted to check this is ok? It burnt in the area where it connects to the copper busbar comb. The CU never tripped and it and the MCB's are not overloaded. Consumer Unit Recessed Kits Data Sheet (.pdf), 8 Module, cover complete with fitted visor and lock, 12 Module, cover complete with fitted visor and lock, 16 Module, cover complete with fitted visor and lock, 19 Module, cover complete with fitted visor and lock, 22 Module, cover complete with fitted visor and lock, Grey Plastic Gland Kit for 1-1.5mm flat cable c/w Flat cable insert, Locknut, Grey Plastic Gland Kit for 2.5-4mm flat cable c/w Flat cable insert, Locknut, Grey Plastic Gland Kit for 2x2.5mm flat cable c/w Flat cable insert, Locknut, Grey Plastic Gland Kit for 6mm flat cable c/w Flat cable insert, Locknut, Adaptor, Grey Plastic Gland Kit for 10-16mm flat cable c/w Flat cable insert, Locknut, Grey Plastic Tails Kit c/w Multiple Inserts, Locknut, Blanking Insert, Grey Plastic Tails Kit c/w Multiple Inserts, Locknut, Blanking Insert, Adaptor, Brass Gland Kit for 1-1.5 flat cable c/w Flat Cable Insert, Locknut, Brass Gland Kit for 1-1.5mm flat cable c/w Flat cable insert, Locknut, Brass Gland Kit for 2x2.5mm flat cable c/w Flat cable insert, Locknut, Brass Gland Kit for 2.5-4mm flat cable c/w Flat cable insert, Locknut, Brass Gland Kit for 10-16mm flat cable c/w Flat cable insert, Locknut, Brass Tails Kit c/w Multiple Inserts, Locknut, Blanking Insert, Brass Tails Kit c/w Adaptor, Multiple Inserts, Locknut, Blanking Insert, Grey Plastic Tails Kit, c/w Multiple Inserts, Locknut, Blanking Insert, Brass Tails Kit, c/w Multiple Inserts, Locknut, Blanking Insert, Consumer Unit Cover Blanks (pack of 10, 5 x pairs), Cable Kit includes neutral and live cables, terminal bar, fixing clip and spare labels (may be used to convert mains switch to split load consumer unit), Cover Lock (to suit all BG Consumer Units which are fitted with a lockable cover), Metal cover lock blank for use with the metal lockable covers after the barrel lock is removed, Ideal during first installation to ensure power isolation, and protect installer, Suitable for restricted space areas due to compact size, Supplied with adjustable brackets and trim, Adjustable brackets enable the consumer unit to be recessed between 42mm and 62mm from the outer surface of the wall, Enables 16 module consumer unit to be recessed into wall, Enables 19 module consumer unit to be recessed into wall, Enables 20 module consumer unit to be recessed into wall, Both Plastic and Brass Glands acceptable due to no set regualtion on cable entry, Tails Glands allow 2 x tails and 1 x earth cable to enter single entry whilst being individually sealed, All glands and grommets satisy IP4X (Maxiumum requirement as per NICEIC guideline sfor all cable entry and exit on horizontal planes), Cable retention negates requirement for additional tails clamp. How to Wire 240V, 208V & 120V, 1 & 3-Phase, High Leg Delta Main Panel? 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. Now, mount all the three MCBs (6A, 16A and 32A respectively) and 2-poles RCD (63A) in the built-in din rail in the garage CU. 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. Check that all live prods on the devices are fully inserted and located into the live busbar. In addition, the earth wire should be connected from the main earth terminal. It May Be Used To Fit Up To Three New Sentry MCBs. 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. Posted on June 29, 2022 in gabriela rose reagan. How to Determine the Number of Circuit Breakers in a Panel Board? 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. 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). They are suitable for smaller properties with less complex circuits and are available in a number of 'ways', depending on the manufacturer: Hager: 6 way (VML733H), 10 way (VML755), 12 way (VML766), 16 way (VML716) The United Kingdom is following IEC wiring color codes now. Breaker Box Installation. 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. 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 . 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. hbbd```b``6 i#dGA${0 a}
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All about Electrical & Electronics Engineering & Technology. We will be using the IEC wiring color codes which is also applicable to EU, UK and other countries. 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 whole process is shown in the fig below. Also, dont connect the lighting points and three pin sockets to the same MCB. 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! If not applicable, Please follow the local area codes or general practiced color codes related to specific regions. It's easy to connect your consumer unit to an isolation device with this Busbar 10 Module. See details. Here is a detailed explanation of the consumer unit and how it should be installed in the UK. . You must log in or register to reply here. A garage fuse box is simple to install, troubleshoot and repair due to the simplicity and basic design with top hinged door. Select the supplier or trade you require, enter your location to begin your search. Your email address will not be published. Vestibulum in blandit enim. BG is a registered trademark and member of the Luceco plc group of companies. How to Wire 120V Water Heater Thermostat Non-Simultaneous? This then becomes a split load consumer unit and is shown above. In addition, RCD protection is a must in the consumer unit according to the IEC and IET: 17th edition BS-7671. How to Wire 208V & 120V, 1-Phase & 3-Phase Main Panel? This example has a flying lead for the incoming neutral connection and a standard terminal for the line busbar. 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. %PDF-1.6
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The top mounted terminal rail makes the wiring of the neutral and earth connections neat and simple. In addition, the earth wire should be connected from the main earth terminal. Ashley consumer units, anuone got any breakers. Search stock photos by tags. Contact the licensed electrician or the. We Rely on Advertising to Help Fund Our Site and Provide Free Information. 137 0 obj
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Hager VML110 10 Way RCBO Consumer Unit. Notify me of follow-up comments by email. 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. In this tutorial, we will be showing how to install a single phase garage consumer unit for 230V with RCDs according to IEC. 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. 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. I think it was either a loose connection or dust/dirt in the connection. This example has a flying lead for the incoming neutral connection and a standard terminal for the line busbar. A dual RCD consumer unit can be fitted. This unit has one main switch, two RCDs and each circuit has its own MCB. endstream
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<. 22.13 inc vat. A Consumer Unit or Fuseboard is the single most important electrical device in any building. This allows protection in full for all individual circuits and if one trips, all others will still work. This will protect all circuits but if the RCD trips, so do all circuits. Reproduction prohibited unless prior permission is granted by Luceco plc in writing. A garage consumer unit is used to feed up fewer load circuits (generally 2-5 units). 112 0 obj
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You have done, the electrical appliances now can be connected to the new wired consumer unit and its MCBs via three wires i.e. Delivery: Estimated between Fri, 17 Mar and Wed, 22 Mar to 23917. 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. You simply plug the electronic component into the bottom of your circuit board and secure it in place. In the UK, there are four main types of Consumer Unit: Modern consumer units usually use DIN-rail mount breakers. Black for Neutral, Red for Phase or Hot and Green for earthing. 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. care should be taken to ensure that the breaker chosen is a good fit for the busbars. Are you a trade or supplier? Step by Step Procedure with Calculation & Diagrams, How to Size a Single Phase and Three Phase Transformer in kVA? This item is commonly used in both residential and commercial settings including garages, outhouses and stables. This way, the protection to the load points are as follows. 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.
no need to connect the Neutral wire from the main neutral terminal in the consumer unit. Mauris laoreet vulputate mauris. 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). the Neutral wire should be connected through Neutral Terminal (The symbol N is printed on the RCD nameplate to identify the Neutral terminal. To connect the rated MCBs and RCD in the garage consumer unit for specific appliances, follow the following simple steps. 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. Instructions on wiring a consumer unit to UK specifications for dual RCD and RCBO consumer units. It is because split load consumer units provide protection against overload, overcurrent & short-circuit and earth leakage. These boxes can also be fitted with cartridge fuses or miniature circuit breakers (MCBs). Electric Bill Calculator with Examples, How to Find The Suitable Size of Cable & Wire for Electrical Wiring Installation? Where the cranked one isnt in the rcd. 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. In addition, for arc fault protection (mentioned first time in the the IET Wiring Regulations 18th edition BS 7671: 2018, The load points and circuits on the RCD + MCB side can be connected via three wires i.e. marketing, promotion, packaging, advertorials, and consumer or merchandising products. The use of RCDs is necessary, on two occasions, to meet the wiring regulations. The output Live terminal of RCD should be bonded to other MCBs via a common copper busbar segment terminal. 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. Usually this type of consumer unit also allows for fully flexible configuration, meaning there is no restriction on the number of RCBOs used. 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. The unit distributes the electricity, via fuses of one kind or another, to the different circuits in the house. As they are very sensitive, it is not practical to fit one RCD to protect the whole house. endstream
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Consumer Unit Busbar - 20 Modules. RCBOs are a single device which combines a circuit breaker and RCD. 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. Keep in mind that RCD should be properly installed i.e. 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. How to fit a miniature circuit breaker (MCB) or RCBO to a busbar in a consumer unit (fuse box). Electrical and Industrial | Power management solutions | Eaton Doing your own electrical work is dangerous as well as illegal in some cases. 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. %%EOF
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. 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. IEC, UK & EU, How to Wire 1-Phase Split Load Consumer Unit? 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. Barrel Lock And Key Set - Suitable For Locking Sentry Consumer Unit Lids. A consumer unit is a type of distribution board . 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