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I am Uk based: I have brown, blue and black wire on the extractor fan. From the power source I have brown, grey and black wires... please how I connect them to the extractor. All help be great.. thank you
Discuss Wiring colours in uk in the UK Electrical Forum area at ElectriciansForums.net
It’s linked to the lights....first, is it a timer fan? if so, you need to know which conductor does what. you will have a perm. L, (from isolator) switched L (when the light comes on), and neutral.
The painter took the fan off and all I want is to connect back up...but I am not sure how the wiring goes.. please adviseWhere are you looking for the power source, they should be Brown (phase) Blue (neutral) and Green/Yellow (Earth) as you have Brown wire's I assume this is not a very old installation as the phase is in harmonised colours. Any further information needs more information.
No same fan ... the painter took it off and I do not know the wiring combinationIs this replacing a fan that was already connected?
The painter took the fan off and all I want is to connect back up...but I am not sure how the wiring goes.. please advise
No same fan ... the painter took it off and I do not know the wiring combination
Grey(should have a blue sleeve) N to Blue.
The question is, which should they use?As it is still common to see people using a black wire in a harmonised coloured cable as neutral, even though they shouldn't.
Just mark it (e.g. with sleeving) and there's no issue.The question is, which should they use?
Grey - that is another phase colour!
Now if only there were a standards organisation that could specify this...
Grey is a line colour unless it is identified otherwise. Neutral can any of the colours under the sun provided it is sleeved/marked with blue.The question is, which should they use?
Grey - that is another phase colour!
Now if only there were a standards organisation that could specify this...
The question is, which should they use?
Grey - that is another phase colour!
Now if only there were a standards organisation that could specify this...
Traditionally core numbers 1 and 2 were used for lives and core number 3 was always used for neutral in this kind of arrangement.
1 being brown (red)
2 being black (yellow)
3 being grey (blue)
So the blue was always used as neutral therefore the logical choice is grey for neutral.
Good point, as it puts the earth between the live pair and the neutral which would lead to better RCD protection against insulation breakdown.
Does anyone know if this is documented in IET docs or in training, etc?
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