When the appliance is used the ocpd trips and the lights go out.
It is poor design imo.
It would not just be poor design - It is contrary to all electrical regulations and illegal to install a socket on a lighting circuit.
is it?
Which regs?
When the appliance is used the ocpd trips and the lights go out.
It is poor design imo.
It would not just be poor design - It is contrary to all electrical regulations and illegal to install a socket on a lighting circuit.
Its not against regs obviously because the 5/6/10amp breaker will trip at the cu.
which part is the poor design?
- the socket on the lights, or
- putting the transformer in the plug top?
It isn't against the regs to install a BS1363 socket on a lighting circuit, I believe they actually state this is one acceptable method.
It isn't against the regs to install a BS1363 socket on a lighting circuit, I believe they actually state this is one acceptable method.
Where exactly do they state that ? As I stated above it's likely that there will be no RCD protection. I know that the MCB should blow, but someone could still get a lethal shock off of it first. There is no justification for fitting a socket on a lighting circuit - and no reason whatsoever to condone something which is potentially very dangerous.
It isn't against the regs to install a BS1363 socket on a lighting circuit, I believe they actually state this is one acceptable method.
Where exactly do they state that ?
Sockets for a specific purpose may have RCD protection omitted, however if there are unprotected concealed cables buried less than 50mm in a wall or partition then the circuit can be marked down for requiring RCD protection anyway, likely code 4 depending on circumstances.As I stated above it's likely that there will be no RCD protection.
Its not against regs obviously because the 5/6/10amp breaker will trip at the cu.
They would, but the breakers are there as protection - i.e. a defence that should not be challenged, and that you should not be able to challenge.
It's likely that there will be no RCD protection, and as we all know, that's now a biggie. I know that the MCB will blow, but that's enough of an argument. You can still get a lethal shock off of it first. If there is a socket there - even if it's labeled only for the use of a specific appliance, some numpty will ignore it and plug in an extension to run the lawnmower. I've seen people running hot tubs off of an extension lead and no RCD ! !
and if after advising the customer to get some others, they still want these installing, how would you do it?which part is the poor design?
- the socket on the lights, or
- putting the transformer in the plug top?
Personally I think both!
I've never had to install any elv lighting with the tranny in the plug and would advise the customer to get a different set.
and if after advising the customer to get some others, they still want these installing, how would you do it?which part is the poor design?
- the socket on the lights, or
- putting the transformer in the plug top?
Personally I think both!
I've never had to install any elv lighting with the tranny in the plug and would advise the customer to get a different set.
Instead of the plug, socket and switch, install a fused spur, and feed the hidden socket from this.
Out of interest, what would be the correct way to wire this if you wanted them switched by a light switch, along with the rest of the lights in the kitchen, for example?
Others I've seen have the transformer on a lead, rather than a plug-top one. But if you do have a plug-top one, what's the best thing to do? Can you run say a 3A fused spur with a socket off a lighting circuit? Sounds a bit dodgy...
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