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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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New Light Fitting block connections
Hi all.
Just fitting a new light fitting. (halogen bulbs on a bar) Old fitting had 2 black wires in different terminals on old conventional fitting. With 2 red wires twisted together in other terminal. New light fitting instructions show diagram below. Household supply BLOCK Light fitting ---------------------------------------------------------------------- Loop (unswitched) 1 2 Loop (unswitched Live) Black(N) 3 4 Blue (N) Green/Yellow (E) 5 6 Green/Yellow (E) Red/Black (switched-Live) 7 8 Brown (L) The new fitting has its cables fixed to block connectors 4 and 6 with an earth connector fixed to block connector 5. I think the twisted red wires should go into connector 7. But not sure where the 2 black wires should go. Please advise. Thanks. Arthur |
#2
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New Light Fitting block connections
Hi Arthur
Looks like you have the end of line light with 1 red/black wire from the supply and 1 red/black wire from the light switch. If your text is wrong and the fitting is actually connected to blocks 4 & 8 NOT 4 & 6 as posted then connecting the twisted red pair to block 1 ..any black into block 3 .. the other black into block 7 and the earth into block 5 will work. This is not a good way as you may reverse N & L the best way is to find the black wire which becomes live when the light is turned on (this really should be marked with red tape as your wiring is red/black) this is the switched live and goes in 7 .. the remaining black is neutral and goes in 3. HTH CJ |
#3
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New Light Fitting block connections
On Sun, 7 Sep 2008 17:12:29 +0100, "Arthur2" wrote:
Hi all. Just fitting a new light fitting. (halogen bulbs on a bar) Old fitting had 2 black wires in different terminals on old conventional fitting. With 2 red wires twisted together in other terminal. New light fitting instructions show diagram below. Household supply BLOCK Light fitting ---------------------------------------------------------------------- Loop (unswitched) 1 2 Loop (unswitched Live) Black(N) 3 4 Blue (N) Green/Yellow (E) 5 6 Green/Yellow (E) Red/Black (switched-Live) 7 8 Brown (L) The new fitting has its cables fixed to block connectors 4 and 6 with an earth connector fixed to block connector 5. I think the twisted red wires should go into connector 7. But not sure where the 2 black wires should go. Please advise. Thanks. From your diagram I would have thought the new light was across 4 & 8 with any earth wire connected to 6. Therefore the two blacks should be one on 3 and one on 7 (IF one of the black is marked with a red band, it should go to 7 but in practice makes no difference) Your twisted reds should be in 1 with nothing in 2 Andy C |
#4
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New Light Fitting block connections
"Arthur2" wrote in message
... Hi all. Just fitting a new light fitting. (halogen bulbs on a bar) Old fitting had 2 black wires in different terminals on old conventional fitting. With 2 red wires twisted together in other terminal. New light fitting instructions show diagram below. Household supply BLOCK Light fitting ---------------------------------------------------------------------- Loop (unswitched) 1 2 Loop (unswitched Live) Black(N) 3 4 Blue (N) Green/Yellow (E) 5 6 Green/Yellow (E) Red/Black (switched-Live) 7 8 Brown (L) The new fitting has its cables fixed to block connectors 4 and 6 with an earth connector fixed to block connector 5. I think the twisted red wires should go into connector 7. But not sure where the 2 black wires should go. Please advise. Thanks. Arthur The 2 reds go into 1 ( Unswitched Live. ) ( 1 red is the live feed coming in, the other is the live going out to the switch. ). One black goes into 3 ( N ) ( the one from the incoming supply, preferably ); Other black goes to 7 ( Sw. Live ) ( the switched live return from the switch. ) It doesn't actually matter if you get the blacks the wrong way round, it will just swap the L and N to the lamps, which doesn't matter. The bare central wire from both cables should be sheathed in Green and Yellow sleeving, and connected to 5 ( E ). -- Ron |
#5
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New Light Fitting block connections
On 07/09/2008 17:12, Arthur2 wrote:
Old fitting had 2 black wires in different terminals on old conventional fitting. With 2 red wires twisted together in other terminal. New light fitting instructions show diagram below. Household supply BLOCK Light fitting ---------------------------------------------------------------------- Loop (unswitched) 1 2 Loop (unswitched Live) Black(N) 3 4 Blue (N) Green/Yellow (E) 5 6 Green/Yellow (E) Red/Black (switched-Live) 7 8 Brown (L) The new fitting has its cables fixed to block connectors 4 and 6 with an earth connector fixed to block connector 5. I think the twisted red wires should go into connector 7. But not sure where the 2 black wires should go. No, you need to determine which cable is your incoming feed, and which goes to and returns from the switch. The two reds should to 1 (or 1 and 2 if that's easier) The black which is your neutral and should go to 3 The other black which is your switched live (it ought to have red or brown sleeving on it) should go to 7 |
#6
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New Light Fitting block connections
"Andy Burns" wrote in message et... On 07/09/2008 17:12, Arthur2 wrote: Old fitting had 2 black wires in different terminals on old conventional fitting. With 2 red wires twisted together in other terminal. New light fitting instructions show diagram below. Household supply BLOCK Light fitting ---------------------------------------------------------------------- Loop (unswitched) 1 2 Loop (unswitched Live) Black(N) 3 4 Blue (N) Green/Yellow (E) 5 6 Green/Yellow (E) Red/Black (switched-Live) 7 8 Brown (L) The new fitting has its cables fixed to block connectors 4 and 6 with an earth connector fixed to block connector 5. I think the twisted red wires should go into connector 7. But not sure where the 2 black wires should go. No, you need to determine which cable is your incoming feed, and which goes to and returns from the switch. The two reds should to 1 (or 1 and 2 if that's easier) The black which is your neutral and should go to 3 The other black which is your switched live (it ought to have red or brown sleeving on it) should go to 7 Superb gents! new fitting is in place and working fine. Thanks very much to all. Arthur |
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