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Discuss CU change only one lighting circuit ??? in the UK Electrical Forum area at ElectriciansForums.net

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hi there

need a little advice when you change a C.U that currently has only one lighting circuit covering the whole property( upstairs and down) this circuit would need to be split into 2 seperate circuits before beeing connected to the new CU is my thinking correct re reg 314??
 
'''''Originally Posted by Tony [ElectriciansForums.net] CU change only one lighting circuit ???
Do a proper job then. Two way switching can work the other way, upstairs to downstairs.'''''


''''And/or landing light on downstairs cct, hall light on upstairs cct.

Unless you live in the country on a moonless night, there's always enough ambient light (or light pollution) to see at night. '''''

---------------------------------------------

So a proper job is a split lighting circuit ???????

Enough eh?
Lets all calm down!
I'm sorry if I got anyones backs up over this, but I don't insist on a split lighting circuit I just advise that it'd be the better option which at the end of the day it is.

At the end of the day a forum is for discussing different situations/scenarios, things can get a little out of hand at times but it's the nature of the beast eh?
 
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I keep telling you guys.... A little shelf at the top and bottom of the stairs with a nice Petzl headtorch on each one. If its dark and you are using the stairs, don your torch. That way, if any MCB's trip, you are prepared and fully safe ;)
 
I keep telling you guys.... A little shelf at the top and bottom of the stairs with a nice Petzl headtorch on each one. If its dark and you are using the stairs, don your torch. That way, if any MCB's trip, you are prepared and fully safe ;)

Easier just to eat more carrots mate.
 
If you can't split the lighting circuits for whatever reason then you can't. Instead of emergency lighting etc I just run a separate lighting circuit on the other side of the board supplying one light and a switch under the stairs (if that's where the CU is!!).

Then if the lights go the customer can see what they are resetting.

Sometimes it's just not practical to start smashing someone's house to bits just to satisfy an ambiguous reg.

I don't get calls stating the MCB/RCD/RCBO has tripped because it's very rare if you test the circuits properly.
 
If convenient i do install an EM by the CU.

In fact, a year or so ago, i put a new CU in a little old ladies house and install 2 EMs down the corridor and in the cupboard where the CU was.

Worked a treat.
 
If convenient i do install an EM by the CU.

In fact, a year or so ago, i put a new CU in a little old ladies house and install 2 EMs down the corridor and in the cupboard where the CU was.

Worked a treat.

see my earlier post on this! I put LED non-maintained emergencies over the principal exit stairs/well/hallway in new builds and customers are very easily convinced by the value of doing so. I think it's the little green charging led that gives them a sense of security.
 
see my earlier post on this! I put LED non-maintained emergencies over the principal exit stairs/well/hallway in new builds and customers are very easily convinced by the value of doing so. I think it's the little green charging led that gives them a sense of security.

Tried this in my own house but after a night on the tiles i just saw little green men! Lol
 
At times I wish that"the little old lady who might fall fall down the stairs",actually gets it over and done with
We can then stop mentioning the poor dear in these threads, she must be worried sick about those stairs
 
Seriously, change the CU, inspect & test it, issue the certs & get paid. It really is as easy as that.

You are not required to split any circuits or install any emergency lights or anything else for that matter. Recommend it by all means but, if they refuse, just change the CU, end of.
 
Lighting on separate circuits. Brilliant in theory. But if it's dark, I'm usually tucked up in bed. The MCB for the upstairs lights goes, there's no way of switching the downstairs lights on from upstairs, so you'll be in the dark going downstairs anyway.Just a thought

Thats why IF you do have lighting split you put the upstairs landing light on the downstairs circuit that way if upstairs lighting trips you can use landing light to see down the stairs if downstairs lighting trips you can use a bedroom or bathroom light to give sufficient lighting to see down the stairs. I agree with Mr.Ian that a split system is better but it is only a suggestion,and you can tell customer the pros and cons of splitting lighting and let them decide if they want to split it or not.

There is no harm in advising them about splitting the lighting.
 

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