Low voltage lighting in 18th edition?

Same bloke in TLC Direct in the lamp holder post, reckoned that the 18th edition will specify that all new lighting installations after a certain date will have to be low voltage.
Anyone heard this?
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On Sat, 11 Feb 2017 13:13:29 +0000, David Lang

I hope not. When I installed 12V LED spotlights they obliterated radio reception.
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On 11/02/17 13:41, Scott wrote:

Should have used a toroid...
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On Sat, 11 Feb 2017 15:34:25 +0000, The Natural Philosopher

I did. Three of them in fact.
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On Sat, 11 Feb 2017 16:41:41 +0000, Scott

So you were feeding these LEDs 12vAC?
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wrote:

Yes. I understand this is where the problem lay, with the switched mode converter handling 19 or so times the current mains would have needed. I had to go back to halogen.
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On Sat, 11 Feb 2017 15:34:25 +0000, The Natural Philosopher

PS do you mean a toroidal transformer?
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On 11/02/17 16:42, Scott wrote:

Of course. What other types of toroids are in use in LV lighting circuits?
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On 11/02/2017 18:41, The Natural Philosopher wrote:

Sugar doughnuts? Magnetic confinement for fusion generators?
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On Sat, 11 Feb 2017 18:41:07 +0000, The Natural Philosopher

That's a yes then, the lighting tracks were each powered by a toroidal transformer.
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On Saturday, 11 February 2017 13:13:31 UTC, David Lang wrote:

*extra* low voltage ? :-)
That'll be a right bugger for theatres and sports stadia.
Owain
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On Sat, 11 Feb 2017 06:22:07 -0800 (PST), snipped-for-privacy@gowanhill.com wrote:

Sports stadia, yeah. At EPL stadiums each luminaire is 2 kW so that's 40A @ 50 V and there are around 200 of these luminairs... For top flight Champions League or FIFA matches the lights must not go out, full stop. Stadiums these days have twinset on site generation which is hot from about three hours before kick off.
Any club with any sense has those sets available to the grid under STOR. They are only needed for their primary purpose for 6 hours every week or so...
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Does the 18th edition cover commercial lighting installations?

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On Sun, 12 Feb 2017 10:43:07 +0000 (GMT), "Dave Liquorice"

Wasn't there a betting fraud case a few years ago, that worked by literally hacking the floodlight control system?
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On 12/02/2017 10:43, Dave Liquorice wrote:

They also have an on site electrician.
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On Sun, 12 Feb 2017 16:07:37 +0000, ARW wrote:

that's

out,

which

Who earnt his money at Sunderland's "Stadium of Light" not so long ago. Ordinary live to world (but not the UK) EPL fixture, so lights are allowed to go out but should come back on again within 10 minutes, ie about how long they have to cool before being restruck (they are "arc lamps" most variations won't restrike when hot).
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On 12/02/2017 20:11, Dave Liquorice wrote:

That's about all they are there for.
I have not done the job for a few years but sitting in the control room at the Keepmoat stadium and doing fuck all but getting paid to watch a football match was a nice little earner. You had to be there 2 hours before kick-off, and stay an hour after the match finished. You got free parking and free coffee and tea.
I once had to fix the roller shutters on one of the bars, other than that I have done over 100 hour of getting paid to sit down and do fuck all apart from watch football and some Rugby.
I booked a holiday when Elton John played there. It was either that or jump off a motorway bridge.
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240V *is* low voltage.
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On 11/02/2017 14:38, Huge wrote:

So is 230V.
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