Am I at liberty to run 1 mm^2 5-core SY cable myself for 24V LED strips?

[Alan Ambrose]

I'm meaning from a Part P / BC point-of-view?

 

Yeah, I realise that this is industrial spec cable rather than domestic, but this is for 24V (i.e. ELV) ffs. Max current will be 3 x 14W 5m LED strips i.e. 2A. The braid will be used for EM shielding, given that dimmer control is fairly noisy.

 

You could have the same is it / isn't it discussion for 24 or 48V PoE over CAT5/6/6a, of course, and pretty much nobody would think that falls under Part P. 

Edited 14 hours ago by Alan Ambrose

[ProDave]

Part P does not in most cases stop you running 240V lighting cables, so why do you think it would stop you running low voltage ones?

 

Don't skimp on cable size.  for a given power of lighting lower voltage = higher current.  Many people think they can use bell wire for low voltage wiring.

[Mattg4321]

If you’re worried about noise/interference then surely CY is the choice over SY

[Nickfromwales]

3 hours ago, Alan Ambrose said:

but this is for 24V (i.e. ELV)

That's SELV, Safety Extra Low Voltage, old boy  

 

3 hours ago, Alan Ambrose said:

ffs

What someone says when a random Welshman on the 'interweb points out that they've spelt SELV incorrectly 🤦‍♂️😆

[Nickfromwales]

1 hour ago, Mattg4321 said:

If you’re worried about noise/interference then surely CY is the choice over SY

I was happy to install YY, until the merchant said they just don't sell any of it! 3-core flex it is.

 

I just observe segregation where things like long LED strips are in the mix, so the DC runs are not bunched with equally long runs of AC stuff; unless it's a small bit of LED which doesn't really seem to ever care how you run the cable.......no complaints yet, so I'll belay starting to panic before bedtime.

 

2 hours ago, ProDave said:

Don't skimp on cable size.  for a given power of lighting lower voltage = higher current. 

This.

 

Under-volt = over-current, and then the LED's are on a shorter lifespan. RIP.