Ceiling light wiring diagram download,ceiling fan is noisy,peanuts sports ceiling fan video - Test Out

Here is a two way switching solution posted for one of our users who had run the power feed to one of the switch boxes and had no radial circuit to pick up a neutral at the lamp holder. If you see this method used in your home ISOLATE ALL LIGHTING CIRCUITS BEFORE WORKING ON ANY OF THEM. You see this method offered on many DIY sites but the safety issues are rarely explained adequately.
Now consider Fig 2 again, the live feed leaves the consumer unit (fuse board) and runs round the house to the downstairs switch, it then runs upstairs to the second switch, up through the light.
2 way switching means having two or more switches in different locations to control one lamp.
Here we have a two way switching system that utilises two single gang two-way switches and a three wire control, shown in the old cable colours. Here we a have a schematic (Fig 1) which makes it easy to visualise how this circuit works. The schematic is nice and simple to visualise the principal of how this works but is little help when it coms to actually wiring this up in real life!! Fig 2 below shows how we achieve this configuration. Just like any loop-in loop-out radial circuit, the switch cable from the ceiling rose contains two wires, a permanent live and a switched live.


There is a chance that if your house has these old wiring colours the switch drops may be from a loop-in-loop-out radial lighting circuit done with junction boxes rather than ceiling roses as shown in Fig 2. Here we have a two way switching system that utilises two single gang two-way switches and a three wire control, shown in the new harmonised cable colours. The schematic is nice and simple to visualise the principal of how a two way switch works but is little help when it coms to actually wiring this up in real life!! Twin and earth wiring is required for all installations except those using a double wall control.
However, If in doubt with any part of the installation procedure then please contact a qualified electrician. If you are doing a new install or replacing a two way switch system go for the three wire control method. This is fine when executed correctly but here is what you need to look out for: where this is used in a stairwell where you have a switch upstair and a switch downstairs there is the danger that the neutral and the live come from different lighting circuits. The good thing about twin and earth cables is that the live and return are always in close proximity (in the same cable) so there is a cancelling effect.
The path to neutral may well run around the upstairs lighting circuit before making its way back downstairs to the consumer unit.


They are wired so that operation of either switch will control the light. This arrangement is often found in stairways, with one switch upstairs and one switch downstairs or in long hallways with a switch at either end.
It is possible to achieve a similar result using a two wire control which, although it saves on cable, is not recommended.
In this state the lamp is off, changing the position of either switch will switch the live to the lamp turning it on. The switch wiring is all the same but the switch wire (cable C) leads up to a different set up. The live is picked up downstairs and there are still live conductors feeding the switch upstairs and if someone flipped the downstairs switch in this diagram that live feed would extend all the way to the lamp too (you’re fried baby!!).




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15.05.2014 admin



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