One thing to note is that the glue on ones do not stayed glued on if kettles
and toasters are used below the shelves and I'd doubt it does the leds much
good either, over time.

Brian

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This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please!
"Phil Addison" wrote in message
...
My old fluorescent under-kitchen-cabinet tubes are failing at an ever
faster rate, so I'm
thinking of replacing with LEDs, particularly flexible LED tapes.

A few things I'm not sure about...

The light output is quoted in lumens per metre, but how many do I need?
I've seen outputs
from 290 to 780 lm/m for 12V systems and up to 1200 lm/m for 24V. The
tapes will be 45cm
above a dark textured work surface. I suppose you can put 2 tapes
side-by-side for a
higher output.

The kitchen layout is U-shaped with the sink in front of a window with
cabinet runs either
side. At each side of the sink the runs are finished off with a little
angled/corner shelf
unit at right angles to the main run. I'd like to run the last bit of tape
around this
corner if possible. Is it possible to twist it through 45 degrees or will
a I have to cut
it and use a wired connector?

Can I just stick the bare tape to the underside of the cabinets or does it
need to be
mounted into a holder such as RS Stock No. 797-2432, a horrendously
expensive product!

Then there's colour temperature. My fluorescents are 2700K but a lot of
the white LEDs
seem to be 3000+. I don't suppose that's a big deal in this application.

What about drivers. I assume I'll just need a couple of basic 12V drivers,
one each side
of the sink - though the hob interrupts the run on the right, so I'll
either have to route
some cable round that of use a 3rd driver for the last cabinet which will
only has a 55cm
LED run. I have easy access to the 240VAC that's feeding the 6 existing
tubes. Something
like a couple of RS number 773-6949 drivers giving 1 amp each?

Any advice much appreciated, and any recommended suppliers/brands.

Phil