Halogen to be banned

I've still got florries lighting worktops under the cupboards in the kitchen. Can you now get LEDs that would give as even an illumination? If so, I'd be tempted to change if a dimming electronic ballast fails. They're probably obsolete now.

I doubt LEDs will work in our John Lewis 'touch sensitive/three level' bedside lamps.

(I notice the current version on their website  takes an LED bulb)

I'll start stockpiling spare halogens for ours now....

I ws thinking about the capital cost of replacing said fixtures.

I thought contrast between the characters and the page was important. I had a neighbour who had macular degeneration and she found that CFL lamps made it very difficult to see, likewise sodium lamps outside.

Which is better for desk work?

Yes, this seems to be the case. Do you think price makes a difference or is it a function of the technology?

Even better, you can get direct substitutes. I bought two four foot long LED tubes for the utility room, which fitted the existing ballast after replacing the starter with a dummy.

I put the CFL back in

makes of LED bulbs really ought to think about this

I've *just* picked up a high output 5' LED florry replacement for a fitting in the study / workshop but the fitting is electronic so I'm going to have to bypass all the 'guts'.

The main reason for doing it isn't (primarily) the light but the hope it will get rid of the mains hum ... ;-(

Cheers, T i m

Did it not come with a replacement 'starter', which just shorts out the starter unit or does this only work with non-electronic ballasts (as mine was)?

It achieved that.

Low pressure sodium, yes. As that is very narrow spectrum. I'm surprised any domestic light made much difference. Except, of course CFL, claiming to be much brighter than they were. So if she substituted a claimed 60 watt equivalent, it was likely a lot dimmer.

Bet they don't dim with my ballasts...

Mains hum from an electronic ballast? Something not right there as they (should) run at a higher frequency to get rid of flicker.

It could have been that, but she specifically said it was too yellow.

In our bathroom we have 2 halogen wall lights with G9 40W mains capsules rated at 460L each. Looking at LED replacements I can only see 200L capsules, so we would get less than half the illumination. Fortunately I have 5 spares so they should out last me!

I misunderstood. I thought you meant you were getting rid of the ballast. It seems to be possible to dim them though:

PS Now I remember. I think it comes as two versions: one for electronic ballasts and one for non-electronic. Mine was the latter (which I think is easier).

Operating theatres too?

Illegal for LED headlights at present, I believe.

Owain

Bill

Usually inaudible, however it will be modulated by 100Hz. Because ferrites exhibit magnetorestriction, and the effect is non-linear, it might be possible to hear some hum.

They are the same as LEDS

Bill