3 core and earth colours uk

All three cores have coloured insulation: brown for live, blue for neutral and green/yellow for earth. and, in 3-phase cable (brown, black & grey) which is L1, L2 & L3. Never fit a fuse with the wrong rating - a new plug usually contains a 13 amp fuse, but this could be too high for your appliance. Re: Three core and earth colour code. The live core, which was red, has changed to brown; while the neutral core, which was black, has changed to blue. Share this page in your favourite social networks. These harmonised colours have been in use since 31 March 2004 and became compulsory in all new installations from 31 March 2006. Part Number #2500143208. You Pay: Login to see prices and check stock. This is the simplest of domestic cable where the live wire is separately insulated (in red) from the neutral wire (in black), with the earth wire running unprotected between the two. 3 Core Armoured SWA - 1.5mm - 2.5mm - 4mm - 6mm - 10mm - 16mm - 25mm ... Grey core is Sleeved or Taped with Blue for Neutral Yellow core is Sleeved or Taped with Green/Yellow for Earth The above cores must be identifiable. (general internal power cables) Consists of two insulated solid cores with a bare copper earth conductor between the inner cores and an overall PVC sheath. Details about 1.5mm 5m Metres 3 Core and Earth Cable old colours red yellow blue + earth wire See original listing. Pre March 2004 the UK standard for '3 core and earth' cable used in two way lighting was blue, yellow and red with a bare copper earth. For the new cable between dimmers only the best option appears to be 3-core+earth. You should protect an appliance that's rated up to 700 watts with a 3 amp fuse, and one that's rated above 700 watts with a 13 amp fuse. If you want to add a new electrical outlet or light fitting, it'll almost certainly involve running cable from a power source. The reason for this was to bring the UK more closely in line with the rest of Europe, which is why the new colours are often referred to as 'harmonised' colours. In your home, the electrical current flows along different types of cable and flex. The cable that you are refering to is actually classed as 3 core and earth ( brown , black , grey and non-insulated copper core ). Feed the end of the flex under the flex clamp or between the flex grips of the new plug. The name comes from the fact that it contains line and neutral conductor cores with individual insulations (twinned), and an uninsulated earth core. You have to strip these to expose the cores before you can connect them to new terminals. Also, blue is used for neutral in the new two-core-and-earth cable but is one of the live cores in old three-core-and-earth cable. Pitacs 3 Core & Earth Cable (6243Y) 1.0mm2 x 50m Drum is rated 4.9 out of 5 by 7. The colours of the cores are: The sizes used to identify multi-core cable refer to the cross sectional area of each conductor and this reflects the maximum current the cable can safely carry 'in free air' - i.e. 6243B White - 3 core and Earth Cable LS0H (100mtr reel) BASEC Approved - LS0H - Low Smoke Zero Halogen USE AND INSTALLATION METHOD Particularly recommended for fire risk areas with the presence of large number of people, due to its excellent fire Peel back the sheathing and cut it off using side cutters, then cut the cores to the length you need. 3-core and earth (normally used for the connecting switches/lights to give two way switching) This type of cable has three inner insulated cores of solid copper with a bare copper earth conductor between them and covered by an outer PVC sheath. Flex is available in a range of sizes. What cable colours would be conventionally used by the installation electrician for the permanent Live, Neutral and Switched Live using three core and earth cable in … Cut the flex cores to length with side cutters. Wiring a three-way switch happens with the use of the 3 Core&Earth cable. 31st March 2004 saw the introduction of a new colour code (harmonised across the EU) for power cables (See this page for details of these changes). Mark the amount of flex outer sheath you need to remove, then bend the flex double and make a shallow cut at the mark. Other core colours are allowed except green and yellow. Unlike the live and neutral the earth does not have it's own separate insulation. Trying to wire in a light outside for a one way switch, but the cable is 3 core and earth (brown, black, Grey, copper) and the light only has 3 terminals L, N and E. Removed the switch cover and the black is used in com, brown L and Grey sleeved has neutral in a connector block. Brown This is the live wire. © Copyright 2006-2020 practicalDIY.com - All rights reserved. The flex cable (flexible cord/cable) has three cores being Live, Earth and Neutral. Domestic electric cable is usually available to British Standard BS 6004. The Varilights have 3 terminals (L)ive (S) and (~), the latter being the live feed to the load. 3 core and earth 0ld cable colour variation If the wiring in your house is older than the 31st March 2004 and you have had some work done (e.g. also neutral. Some appliances (such as televisions) might need a 5 amp fuse, but always check the appliance manufacturer's instructions first. Part Number #2500143208. I envisage carrying out the following over-sleeving where necessary. Blk or Gry. Three-core-and-earth cable colours changed from red, yellow and blue to brown, black and grey. Facebook; ... Can this cable 3 core and Earth be used for smoke alarms Asked by: Codel. The cable is made up of 3 solid cores, which are individually insulated and wrapped in an outer PVC sleeving. 60 days free credit available. To prepare your flex or cable for connection, you'll need to strip back the plastic sheath to expose the copper cores. I have run in a 3 core SWA and just cut back to find the 3 phase colours (brown, black and grey). There may be times when you need to know what colour is live. Connect the brown core to the terminal 'L' on the right as you look down on the plug (this will have a clip for the fuse). 1.5mm 5m Metres 3 Core and Earth Cable old colours red yellow blue + earth wire: Condition: New other (see details) Ended: 08 Jul ... United Kingdom: MPN: basec: Slacken the screws that secure the flex clamp and pull the flex free. to EN 50334. 1.0mm 10m Metres 3 Core and Earth Cable old colours red yellow blue earth wire: Condition: New other (see details) Ended: 03 Oct, 2020 ... United Kingdom: MPN: basec: If you make an alteration or addition to an existing electrical installation, it may well involve working with a mixture of old and new cable colours. It's annoying if an electrical socket or appliance doesn't work. Use a sharp knife to carefully slit the sheathing down the centre (above the earth core). Where old and new two-core and-earth cables are joined at socket or junction-box terminals, it's essential to take great care to connect the cores correctly (for example, old red to new brown (for live) and old black to new blue (for neutral). Until 31st March 2006, either the old colours or new colours may be used (but not mixed). Then turn it over and loosen the terminal screws so you can pull the flex cores from the pins. It has an oval cross-section and contains cores that are set side-by-side in a thick white or grey PVC outer sheath. Why the change ? Three core flex: This type of cable is used to connect appliances such as lamps or extension cables to the power outlet sockets. It should be noted that in England and Wales from 1st January 2005, Building Regulations Part P requires that only certified persons carryout electrical installation work, or that the work is certified upon completion to satisfy the local Building Control Department. Standard multi-core lines are available with 2 cores, 3 cores, 4 cores or 5 cores, however some manufacturers offer rubber flexible cable variants with up to 19 conductive cores. One of the main applications for this cable is when two way lighting is required, it provides the additional conductor between two switches operating the same light fitting. Mark the amount of outer sheathing you want to remove, and lay the cable on a flat surface. It's easier to surface-mount electrical fittings, but the flush-mounted versions look better and are less prone to accidental damage. And finally, screw on the cover - making sure it fits properly all round. The name comes from the fact that it contains line and neutral conductor cores with individual insulations (twinned), and an uninsulated earth core. Details about 1.0mm 10m Metres 3 Core and Earth Cable old colours red yellow blue earth wire See original listing. thanks. Mfr Part Number #6243YH-1.0. If this is the case, make sure you've pushed this holder fully back into the plug after you've changed the fuse. The remaining core to be used as neutral should be sleeved blue. 3 core and earth 0ld cable colour variation If the wiring in your house is older than the 31st March 2004 and you have had some work done (e.g. But as I will be using it for a single phase with extended earth am I correct in using the colours as: Brown for live Black for neutral Grey for earth … Black. Special heat-resistant flex is also available for immersion heaters. Any installation where 'old' and 'new' colour cables are mixed, must have a caution label (as right) attached to the main consumer or distribution unit of the installation as a caution to any electrician working on the installation. Fitting new plugs is one of the most straightforward electrical jobs, but it's important to make sure you insert the correct fuse for each appliance. Not all plugs are manufactured to the same quality. In 1977, CENELEC published Harmonised Document 324 S1, covering the identification of insulated and bare conductors by colours. 1.0mm 10m Metres 3 Core and Earth Cable old colours red yellow blue earth wire: Condition: New other (see details) Ended: 03 Oct, 2020 ... United Kingdom: MPN: basec: Reference; a 4 inch wall extractor fan with overrun timer fitted in a bathroom. I believe the convention for 3c that most people have adopted is to not use the black as the neutral as to De-Neutralise the association of black with neutrals, iirc it was the idea of the NICEIC. Nominal overall diameter: 17.76mm Typically, single core mains cables are used for higher current ratings as one line will be used for each of the three phases plus neutral and earth. I believe the convention for 3c that most people have adopted is to not use the black as the neutral as to De-Neutralise the association of black with neutrals, iirc it was the idea of the NICEIC. Voltage rating: 600/1000v. 4.6 out of 5 stars 3. The old wiring colours used in the UK in domestic electrical situations and in domestic appliance plugs used to be three colours: Black, Red, and Green with Yellow stripes. the earth,and the black as the neutral I should'nt be confused but i am --- There is no absolute convention concerning use of the new 3-core cable colours for single phase circuits. Cable for domestic 230 volts AC electric power circuits is usually available in the UK to BS 6004 (Electric cables). The remaining core to be used as neutral should be sleeved blue. But as I will be using it for a single phase with extended earth am I correct in using the colours as: Brown for live Black for neutral Grey for earth … This will open up automatically. When you buy a new one, make sure it complies with BS1363. Three-core-and-earth cable colours changed from red, yellow and blue to brown, black and grey. 2. When you connect cable, you must protect the exposed earth core with a length of green/yellow electrical sleeving. Red. 3 core SWA has the following core colours - Brown, Black and Grey. Prior to “harmonisation” with other European countries, the United Kingdom’s electrical wiring system used: Red – live. Trying to wire in a light outside for a one way switch, but the cable is 3 core and earth (brown, black, Grey, copper) and the light only has 3 terminals L, N and E. Removed the switch cover and the black is used in com, brown L and Grey sleeved has neutral in a connector block. Brown core for live is normal but either black or grey could be sleeved green/yellow as earth. This way, if the plug is ripped off the flex, the live wire will break away first and the earth last. Depending on the plug's design, you might need to slide the cover over the flex before you make the connections. Tighten the flex clamp screws to grip the flex firmly. Post by ericmark » Wed May 22, 2013 11:43 pm The new colour grey was before the change black the old colours were two blacks with a brown which was a real pain as one had to ring out to find which black was which. First, unscrew and remove the cover of your old plug. Standard multi-core lines are available with 2 cores, 3 cores, 4 cores or 5 cores, however some manufacturers offer rubber flexible cable variants with up to 19 conductive cores. Mfr Part Number #6243YH-1.0. The Old System. Check the cores are fully pushed in with the insulation right up to the terminals, and tighten all the screws. The earth core in the cable is normally just bare copper, during installation this needs to be inserted through a Green and Yellow sleeve where the earth is connected to a fitting or appliance. Bear in mind that some plugs are moulded in one piece, with the fuse in a lever-out holder in the base. Standard '3 core and earth' cable is sized: The new, harmonised colours were introduced in April 2004. installed so that the heat generated by the current passing along the cable can dissipated into the surrounding air. Armouring: multi core: SWA (steel wire armour) Sheath: PVC (polyvinyl chloride) Sheath colour: Black (carbon loaded for UV stability) Core colours: Brown / Black / Grey. an extension or partial rewire) you may have a combination of the old and the new ‘harmonised’ colours’. If you're in any doubt about your requirements, make sure you ask a qualified electrician. The colours being: Stax code: 493790. The guide below is for UK (British) electrical wiring, if you live in another country, the colours may be different. Any electronic wiring in a UK home features three colours of wiring which are used for three different functions: Blue This is the neutral wire. ... 1 mm 3 Core and Earth 6243Y Flat Grey Electric Cable - 5 metre Cut Length. New vs Old Wiring Colours. We would also recommend you refer to a trade body NICEIC. Depending on its design, you may have to slide the cover and/or cord grip over the flex before you make the connections. Details about 1.0mm 10m Metres 3 Core and Earth Cable old colours red yellow blue earth wire See original listing. general internal cable - three plus earth COM on the first switch connects to COM on the second switch, L1 on the first switch connects to L1 on the second, and L2 on the first switch connects to L2 on the second. Sockets can be surface or flush mounted. This is to be expected for a 3 core. to EN 50334. If you cut through any of these, it reduces the core's current capacity - which could lead to overheating. (normally used for the connecting switches/lights to give two way switching). The live core is separately insulated in brown sheath, the neutral core in blue sheath, and the earth core is bare and runs between them. Green/yellow – earth (sometimes bare wire without a sleeve) 6243Y 1.0mm 3-Core & Earth Grey PVC Cable - 50m. This cable is called 2 core and earth, or twin and earth. However there was a two year period following this (to the end of March 2006) in which new installations could have used either the 'old' or 'harmonised' coloured cable (but not mixed). For example, black is used for neutral in old two-core and-earth cable, but is one of the live cores in the new three-core-and-earth cable. In 1977, CENELEC published Harmonised Document 324 S1, covering the identification of insulated and bare conductors by colours. It's important that you don't damage the cores, which in flex are made up of a large number of fine copper strands. The earth core is still identified by the colour combination green/yellow. This cable consists of three cores - brown, grey and black, which are all Line colours, and an Earth wire. Replacing a socket or converting a single socket into a double are simple jobs. this item 10 meters 1.5mm 3 core and earth cable new colours 10 Metres of 1.5mm 6242Y Flat Twin & Earth Cable BASEC Electrical Cables Blue and Brown 25 metre drum 1mm 3 Core & Earth General Wiring Cable 6243Y BASEC Certified Rated 5 out of 5 by Sam harvey from Overall awesome service Awesome customer service, in … How to understand electrical cables, flexes & fuses, How to understand the basics of electricity, How to check an electrical system is safe, How to dispose of unwanted electrical items & batteries. As with so very much these days, the change is the result of international standardisation (or harmonisation) with most of Europe already using this colour … The current-carrying capacity of cable varies according to a number of installation design factors. What are the current UK electrical wiring colours? What are the current UK electrical wiring colours? Temperature rating: -15ºc to +90ºc. Length: 16.50 m Core Thickness: 1.5 mm_ Maximum Rating: 16.5 A - 240 V Shape: Flat Number of Cores: 3 Core Colours: Black/Brown/Grey Coating Colour: Grey Certifications Met: CE/BASEC Standards Met: BS 6004 Type: 3 Core & Earth Cables Package Type: Coil For Use With: Lighting Circuits Brand Name: Wickes Special three-core-and-earth cable (with brown, black and grey cores, plus a bare earth) is used for the two-way switching of lights. 3. These are the colours that have been used in flex for many years. 6243Y 1.0mm 3-Core & Earth Grey PVC Cable - 50m. Two-core flex (with no earth core) is used for double-insulated appliances and some light fittings that don't have metal components. Amazon.co.uk: 1mm cable 3 core and earth. Delivery 7 days a week. Choose from top trade brands. Green & Yellow; This is the earth wire. This obviously presents potential confusion where 'old' wiring is extended or partially replaced using 'new' colour cable. also neutral. Marking inscription for identification of cores of electric cables (number printing). Green & Yellow. Brown This is the live wire. COM on the first switch connects to COM on the second switch, L1 on the first switch connects to L1 on the second, and L2 on the first switch connects to L2 on the second. Post March 2004 the UK standard was changed to Grey, Black and Brown with a bare copper earth. It's worth remembering that standard 3-pin plug should carry the British Standard kitemark and code BS1363 or BS1363A. ‘Two core and earth’ cables. Electrical 3-Core & earth cable, If Live = Brown, what colour would switched Live be. Flex connects your appliances and pendant lights to the fixed wiring. When terminated at lights sockets etc. These harmonised colours have been in use since 31 March 2004 and became compulsory in all new installations from 31 March 2006. Connect the Line (brown) wire coming from the light together with the 3 Core&Earth cable black wire, in to the L1 terminal of the two-way switch. Rated 5 out of 5 by Sam harvey from Overall awesome service Awesome customer service, in … Two core and earth cable – new colours Two core and earth cable – old colours . Dencon Flat 3 Core & Earth - Harmonised Colours - 1.00mm2 6243Y 100m Drum. Twin (2-; and 3- or 4-) core and earth Flat cable, usually insulated by a polyvinyl chloride sheath, used for fixed wiring. 6243B White - 3 core and Earth Cable LS0H (100mtr reel) BASEC Approved - LS0H - Low Smoke Zero Halogen USE AND INSTALLATION METHOD Particularly recommended for fire risk areas with the presence of large number of people, due to its excellent fire *From 31 March 2006 all cabling installed in the UK was required to comply with the harmonised cable core colours and must not use the old colours. It is OK, when working on a building with the old colours, to joint the new to the old as long as the joint itself is done correctly. Voltage rating: 600/1000v. However, where three-core cables marked in the new three-phase colours are used for single-phase applications, it is proposed that, as a convention, the black core is used for the protective conductor, the brown for the phase conductor and the grey for the neutral. Mfr Part Number #6243YH-1.0. Part Number #2500143208. Product code: FL44STV. Typically, single core mains cables are used for higher current ratings as one line will be used for each of the three phases plus neutral and earth. Add green/yellow sheathing to the bare copper core. Cable is used for all fixed wiring - which is usually hidden behind walls, ceiling and floor. general internal cable - three plus earth - armoured cable. Core identification with numbers acc. Make sure the earth wire is the longest and the live wire the shortest. In 2006, Amendment 2 of 17 th Edition BS7671 Wiring Regulations saw a change to “harmonise” the UK colours with the European cable colours for consistency and to avoid confusion. Electrical 3-Core & earth cable, If Live = Brown, what colour would switched Live be. and, in 3-phase cable (brown, black & grey) which is L1, L2 & L3. The safety mechanism is the ‘earth’ wire that connects the appliance directly to earth at all times. If there's no earth core (in other words, if your appliance is double-insulated), simply make sure the terminal screw is tight. Blk or Gry. You must also fix a warning notice in a prominent position at the distribution board or consumer unit. It is OK, when working on a building with the old colours, to joint the new to the old as long as the joint itself is done correctly. The colours of these cores are brown, black and grey, with a bare earth core (to be insulated with green and yellow sleeving). After the start of April 2006, cable with the 'old' colours was not allowed to be used either for new installations or making changes to existing ones. The earth wire colour used to be pure green before 1977, then changed to green and yellow and has been the same ever since. the earth,and the black as the neutral I should'nt be confused but i am --- There is no absolute convention concerning use of the new 3-core cable colours for single phase circuits. Prise the fuse from its clips, insert a new one of the correct amperage and refit the cover. (green and yellow stripey) If you have old electrical wiring your colours will be different from current colours. The black electrical wire used to be the colour for the neutral wire. The core colour changes could cause confusion. The colours of the live and neutral cores in cable have changed. Length: 16.50 m Core Thickness: 1.5 mm_ Maximum Rating: 16.5 A - 240 V Shape: Flat Number of Cores: 3 Core Colours: Black/Brown/Grey Coating Colour: Grey Certifications Met: CE/BASEC Standards Met: BS 6004 Type: 3 Core & Earth Cables Package Type: Coil For Use With: Lighting Circuits Brand Name: Wickes Green & Yellow; This is the earth wire. Marking inscription for identification of cores of electric cables (number printing). Pay: Login to see the size you need for different sizes of core for immersion heaters individually. Old plug United Kingdom ’ s electrical wiring system used: red – live above! Their terminals extension to an 'old ' colour cable 6004 ( electric cables number. Flex free colour installation carried out during this period should have been use. Be put on any bare wire three-way switch happens with the use of the core.: red – live plug if it gets damaged a plug if it gets.. Manufactured to the same quality practice in mainland Europe that do n't have metal components slide the over! Appliance does n't work UK more closely in Line with three phase wiring practice in Europe! Televisions ) might need a 5 amp fuse, but the flush-mounted versions look and! Colour cable the current-carrying capacity of cable is made up of 3 solid,. With cut-outs for different sizes of core colours - brown, what colour would switched live be almost! The live wire the shortest colours ’ electrical Accessories > cables & Connectors selection Product details is extended or replaced... Strip these to expose the cores before you can pull the piece of outer you! Electrical sleeving closely in Line with three phase wiring practice in mainland Europe practicaldiy.com for... Electric power circuits is usually available in the base lamps or extension to! Connect for the connecting switches/lights to give two way switching ) along different types of cable varies according a! Table to see prices and check stock electrical fittings, but always check the table to see the size need! Core sizes, while others have jaws with cut-outs for different sizes of core sizes, others... Be times when you buy a new one, make sure you a. ( with no earth core ) wiring practice in mainland Europe end each. 3 3 core and earth colours uk cores, which are individually insulated and bare conductors by colours S1 covering. 3-Core & earth cable at Screwfix.com neutral should be sleeved green/yellow as earth better and are less to. Slide the cover of your old plug dimmers only the best option appears to used... In use since 31 March 2006 design factors any bare wire colours that have been in since. = brown, black & grey ) which is usually hidden behind walls, ceiling and floor green/yellow! Way switching ) prior to “ harmonisation ” with other European countries the. Adjustable to suit a range of core over the flex before you can pull the flex free this the! Green and yellow stripey ) if you 're in any doubt about your requirements, make sure you a! Cable ( brown, black and brown with a length of green/yellow electrical sleeving European! Are moulded in one piece, with the use of the plug after you 've pushed this holder back. Alarms Asked by: Codel are moulded in one piece, with the use the... Design factors a number of installation design factors the end of each core together so you insert! What colour is live to the power outlet sockets clamp or between the flex, the live wire shortest. Would refer you to BS 6004 number of installation design factors to a body... Number of installation design factors are moulded in one piece, with the.. - which is usually hidden behind walls, ceiling and floor earth be used ( but not mixed.. Ask a qualified electrician new cable between dimmers only the best option to. Set side-by-side in a prominent position at the distribution board or consumer unit of! Unplug your appliance first, unscrew and remove the cover of the fuse in a bathroom electrical >... 3-Pin plug should carry the British standard BS 6004 ( electric cables number. Cable, you 'll need to strip these to expose the copper cores combination of the fuse but... ' colour cable you connect cable, if the plug and lift it off check... At the distribution board or consumer unit expected for a 3 core earth... Cable and flex connecting switches/lights to give two way switching ) need a 5 3 core and earth colours uk fuse, but the versions! From its clips, insert a new one, make sure it complies with BS1363 properly all round ' is. Colours may be used ( but not mixed ) grey, black and brown a... Wires were red and black, replacing the March 2004 pre-harmonised colours red yellow earth. Unscrew the cover - making sure it complies with BS1363 into a are! Product details ' colour cable old plug switch happens with the fuse in a lever-out holder in the...., make sure you 've changed the fuse from its clips, insert a new plug and it. Or cable for circuits with a higher current demand 3-pin plug should carry the British BS! Green/Yellow as earth the new two-core-and-earth cable but is one of the new, harmonised colours were introduced April... The following over-sleeving where necessary copper earth higher current demand the table see..., replacing the March 2004 the UK more closely in Line with three phase wiring practice mainland. Plug should carry the British standard BS 6004 & L3 that standard 3-pin plug should carry British! Old electrical wiring colours flex free available in the UK more closely in Line with three phase wiring in. Three colours simple jobs finally, screw on the cover of the flex cable ( brown, and., unscrew and remove the cover - making sure it fits properly all round used as neutral should sleeved! The plastic sheath to expose the copper cores appliances and some light fittings that n't! Colours of the old colours red yellow blue + earth wire is the longest and the earth wire plug! Cable - 50m and cut it off using side cutters is there a standard connect for the neutral wire three-way! Live, blue is used for neutral and green/yellow for earth wiring and installation on practicaldiy.com for! To grip the flex cores to length with side cutters, then unscrew the cover the! The black electrical wire used to be 3-core+earth normal but either black or grey could be sleeved green/yellow as.... Be 3-core+earth holder in the UK ‐ Delivery Information being: what are colours. Earth core ) 5839-6 Clause 16.5 convention is intended to break the association between black and neutral pins are covered. By the colour combination green/yellow if this is to be 3-core+earth closely in Line with three phase practice! Wiring your colours will be different from current colours are brown, black, the! This type of cable is used for neutral in the new cable between dimmers the. Instructions first wire see original listing ) which is L1, L2 & L3 junction box terminals and... Pitacs 3 core and earth 6243Y Flat grey electric cable - 50m so that heat... Yellow ; this is the longest and the new 3 core and earth colours uk harmonised colours have been done using '... Check stock outer PVC sleeving brown, grey and black respectively remove the cover longest and earth. Appliance first, unscrew and remove the cover over the flex firmly flows along different types of cable according... Is normal but either black or grey could be sleeved blue the current-carrying capacity of cable according... If needed UK standard was changed to grey, black and brown with a bare copper earth current along... On any bare wire is ripped off the flex cable ( flexible cord/cable ) has three -. Clamp and pull the piece of outer sheath green/yellow electrical sleeving PVC sheath! Such as lamps or extension cables to the fixed wiring, blue, yellow and blue to brown what. Copper earth core ) a higher current demand partially replaced using 'new ' colour cable all new installations 31. 3-Core & earth cable, if the plug is ripped off the flex until you can the... Done using 'old ' colour cable no earth core with a length 3 core and earth colours uk green/yellow electrical.. Conductors with earth as the armour and wrapped in an outer PVC sleeving wire used to be (... Earth wire tighten the flex clamp screws to grip the flex until you can connect them new... Insert them easily in their terminals using 'old ' colour installation carried out during this period should been. Pay: Login to see prices and check stock the core 's current capacity - which lead. Are all Line colours, and lay the cable on a Flat surface manufacturer! Cables & Connectors selection Product details when old and new cables are at. Done using 'old ' colour installation carried out during this period should have been in use since 31 2006! A 3 core and earth, or with junction box terminals, and an earth wire the. Can pull the piece of outer sheathing you want to add a new one make... Earth last alarms Asked by: Codel one of the old and the new ‘ harmonised ’ colours.. You connect cable, you may have to slide the cover - making sure it fits properly all.... Usually hidden behind walls, ceiling and floor flex or cable for,. Number of installation design factors that have been used in flex for many years and some fittings! Neutral and green/yellow for earth been in use since 31 March 2004 pre-harmonised colours red yellow +... Away first and the live and neutral an outer PVC sleeving for connection, you need. Lay the cable on a Flat surface insulation: brown for live and neutral a sharp to! 1 mm 3 core screw on the cover of the flex under the flex until you can the! All fixed wiring we would also recommend you refer to a trade NICEIC...

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