Can I install a small lighting cct for a dining room by tapping off the ringmain through a (5A) fused spur?
Spurs
- Thread starter Granville000
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CCT?
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Yes. But you are right, it must be limited to 5A so the spur needs to be visibly marked to show what it is, and that it needs a 5A (no more) cartridge.
Probably a good idea to amend the label on the CU as well, from "32A Ground Floor Sockers" to "32A Ground floor sockets (includes 5A spur dining room rights)"
I hope you've got neat writing
Yes. But you are right, it must be limited to 5A so the spur needs to be visibly marked to show what it is, and that it needs a 5A (no more) cartridge.
Probably a good idea to amend the label on the CU as well, from "32A Ground Floor Sockers" to "32A Ground floor sockets (includes 5A spur dining room rights)"
I hope you've got neat writing
that'll take up half the CU.JohnD said:Probably a good idea to amend the label on the CU as well, from "32A Ground Floor Sockers" to "32A Ground floor sockets (includes 5A spur dining room rights)"
I hope you've got neat writing
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Thanks, I will mark the spur.
As a matter of interest, has there ever been an mcb designed to plug into the old CUs to replace the wired fuse plug? I have a big house and all the original CUs (4) have wired fuses and, being under some stairs, are a sod to get at. Do you know of a midget electrician?
As a matter of interest, has there ever been an mcb designed to plug into the old CUs to replace the wired fuse plug? I have a big house and all the original CUs (4) have wired fuses and, being under some stairs, are a sod to get at. Do you know of a midget electrician?
If the CU looks like this (may be brown, or grey if metalclad)
Then you can get plug-in MCBs (you have to change the plastic base that comes with them as it is not quite the same size as the same-coloured plastic base on the rewirable fuse). You can see they have brass prongs like the old fuseholder.
They may cost £7 each at Screwfix, but there are dozens on Fleabay every week from people who have just replaced their old Wylex box. The push-button MCBs are the 1970's version, the flick-switch are current. Both fit.
Wylex also make a retrofit 30A/30mA RCD kit accessory (catalogue ref WRF) which sounds very handy, but I have never seen one used.
(Agree with plugwash about nuisance tripping - every time a kitchen spotlight burns out, the MCB pops. None of my other lighting circuits do it as they don't have spotlights.
Then you can get plug-in MCBs (you have to change the plastic base that comes with them as it is not quite the same size as the same-coloured plastic base on the rewirable fuse). You can see they have brass prongs like the old fuseholder.
They may cost £7 each at Screwfix, but there are dozens on Fleabay every week from people who have just replaced their old Wylex box. The push-button MCBs are the 1970's version, the flick-switch are current. Both fit.
Wylex also make a retrofit 30A/30mA RCD kit accessory (catalogue ref WRF) which sounds very handy, but I have never seen one used.
(Agree with plugwash about nuisance tripping - every time a kitchen spotlight burns out, the MCB pops. None of my other lighting circuits do it as they don't have spotlights.
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