No Earth On Lighting Circuit
It all depends if the light fitting is class 1 or 2 double insulated or metal If its all plastic or class 2 you will be doing nothing wrong changing the flex but advise them abouth no earth. This generally means no metal switches no metal lamp fittings.
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Mohammed karani said.
No earth on lighting circuit. This is not retrospective and means that you do not need to have one on an existing lighting circuit. Where do I stand Regards this I understand you can accept no CPC on lighting with Fascias but not sure about modifying the circuit. I used up a roll of twin cable in about 1978 to install lights in the loft of my parents house it is probably still there and should still be safe unless someone has installed metal lights or switches.
However there should be no bluebrown or blackred inner wiring exposed and the earth wires should be connected around the circuit even if not used by the light itself. In the 60s it was common for sparkys to cut off the cpc as they had not. 1966 the rules on lighting and earths changed.
Plastic with no metal and there is a clause in the tenancy agreement which forbids tampering with the light fittings this is a house we own and rent out. Make sure there is no cpc. C2 for inner wiring problem C3 for lack of earth if the light is double insulated C2 if the light needs an earth.
I have seen several non earthed lighting circuits that I believe to have been installed in the 1970s. Replace the lighting circuits with TE back to the. Went for an ECR check and found no earth on lighting circuit board just been updated last year Wylex 10 way RCD board phoned the landlord and said someone recommended to put class 2 fitings but walls have metal capping and switches and accessories are brass metal fittings but the code is c2.
Lighting circuits installed before 1966 did not require a circuit protective conductor cpc to be run to and terminated at every point and accessory of a lighting circuit as is currently required by Regulation 411311 of BS 7671. Only if your lighting circuit consists of NO metallic Class I fittings switches your main Earthing Bonding is adequate ie. All Fascias are plastic.
Complies with the latest BS7671 electrical regulations the circuit is protected via a 30mA RCD or RCBO device and correctly labelled is it considered acceptable by The Safety Electrical Council. If there is no Earth in my lighting circuit am I adequately protected. The lighting circuit has no CPC earth this is not uncommon in older houses.
What pir code should i use and can anyone recommend a solution without rewiring circuit. The board was changed about 2 yrs ago and has labels indicating no CPC on lighting. I know parents house 1954 had rubber cable and needed a rewire and properties that old also span the plastic cables where the plasticizer leached out making them brittle and aluminium cables of Ian Smith era when copper was short the problem arises if the cables are disturbed and one needs to be very careful inspecting as so easy for.
Downstairs lighting circuit has no earth and the light switches are metalic. Its swapping a pendant for 3 Downlights. No earth in light circuit Members often contact NECA Technical on what to do if they determine that an existing lighting circuit particularly in older installations does not have an earth.
So warnings should be given as such. This video will show you how to comply with BS7671 Wiring Regulations the Electricity at Work Regulations and the Health and Safety at Work Act if you are a. If you have no metal light fittings or switches there is no real danger if you have metal fittings and switches a rewire is really needed.
It may be that the earths have been cut off tight to the sheath or most probably it is twin cable with no earth they used to wire it like this between the old rubber days and the present day. Elecsa offer their technical support regarding CPC and what to do if a lighting circuit does not have this. For that reason all light fittings are Class 2 ie.
Hi We recently had an extractor fan fitted in our upstairs bathroom by an electrician and during the work he told me that there is no earth on our lighting circuit - apparently quite common for houses build at this time 1950s. 24 January 2008 0753 PM chris5 Posts. Replace with a plastic-clad light fitting of some kind.
04 February 2006 Definately code 1 if metallic switches think Id go for rewiring the circuit. So the answer is no you do not need one. No metal parts to touch.
As a stop gap an earth cable could be run to the few metal fittings you may. Run the light from the ring main on a fused spur 3A 4. This does mean that no lighting or other electrical device that requires connection to earth cannot be used on the lighting circuit.
Got to quote a job where the existing circuit does not have an earth. Depending on the actual scenario NECA Technical generally advise members to determine if the existing fittings are double insulated DI or class 2.
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