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Re: 25mm Glass

Posted By: Don Miner
Date: Saturday, 29 March 2008, at 1:02 p.m.

In Response To: Re: 25mm Glass (John Anderson)

> Certainly they are refering to the glass in
> the "lit" phase? Especially if it
> in an application where the tube is not
> viewed directly (ex: cove lighting, reverse
> channel, etc.) 25mm green is available from
> Tecnolux. I've used it.

> I would question their reason for specifying
> 25mm glass. The advantages of such fit
> within a VERY narrow paradigm. It is useful
> in residential applications where (as per
> NEC) voltages must remain under 1000v. It is
> also useful above 150ma - (which is rare in
> cold-cathode apps). (The few 250-400ma tubes
> I've seen in the field look "rode hard
> and put away wet" after a few thousand
> hours.) Expensive porcelain housings a MUST
> at those currents.

> In almost all cases, it's less expensive to
> run 2 rows of 60ma neon than any MA of 25mm.
To get a shade of orange try using green pumped with neon gas. 25 mm tubing will be a bear to bend, if letters or other design is called for. Best to keep it straight. Don't know if you can still get 8' tubes yet or not, in case you need over 4' long pieces. Spilicing will be a trick on that diameter of glass. Good Luck and let us know what happens. Don

Messages In This Thread

• 25mm Glass -- sivart -- Friday, 28 March 2008, at 3:24 p.m.
  • Re: 25mm Glass -- neontek -- Friday, 28 March 2008, at 9:47 p.m.
  • Re: 25mm Glass -- John Anderson -- Friday, 28 March 2008, at 10:32 p.m.
    • Re: 25mm Glass -- Don Miner -- Saturday, 29 March 2008, at 1:02 p.m.
      • Re: 25mm Glass -- i catchers -- Sunday, 30 March 2008, at 9:49 a.m.
  • Re: 25mm Glass -- Bob -- Sunday, 30 March 2008, at 3:52 p.m.
    • Re: 25mm Glass -- Don Miner -- Sunday, 30 March 2008, at 5:11 p.m.
      • Re: 25mm Glass -- Bob -- Monday, 31 March 2008, at 2:28 p.m.
      • Re: 25mm Glass -- sivart -- Monday, 31 March 2008, at 3:16 p.m.
        • Re: 25mm Glass -- Tom U. -- Tuesday, 1 April 2008, at 4:27 p.m.
          • Re: 25mm Glass -- Don Miner -- Tuesday, 1 April 2008, at 10:13 p.m.
            • Re: 25mm Glass -- Tom U. -- Wednesday, 2 April 2008, at 4:37 p.m.
              • Re: 25mm Glass -- Don Miner -- Wednesday, 2 April 2008, at 10:19 p.m.

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