Neon light exploding and falling from fixture

Posted by Noozer on August 12, 2007, 4:46 pm

> What would cause a neon light to suddenly explode and fall from its
> fixture? There was a buzzing sound before it happened. It was two 6 foot
> long neon tubes that both basically exploded and came crashing down on the
> floor. I am afraid to replace these tubes until I know this will not
> happen again.

Neon or fluorescent?

I'd suspect a power surge or failed power supply.

Posted by Lesley on August 12, 2007, 4:57 pm

>> What would cause a neon light to suddenly explode and fall from its
>> fixture? There was a buzzing sound before it happened. It was two 6 foot
>> long neon tubes that both basically exploded and came crashing down on
>> the floor. I am afraid to replace these tubes until I know this will not
>> happen again.

> Neon or fluorescent?
> I'd suspect a power surge or failed power supply.

Sorry. I meant fluorescent.

Lesley.

Posted by CJT on August 12, 2007, 5:53 pm

Lesley wrote:

>>>What would cause a neon light to suddenly explode and fall from its
>>>fixture? There was a buzzing sound before it happened. It was two 6 foot
>>>long neon tubes that both basically exploded and came crashing down on
>>>the floor. I am afraid to replace these tubes until I know this will not
>>>happen again.

>>Neon or fluorescent?
>>I'd suspect a power surge or failed power supply.

>
>
> Sorry. I meant fluorescent.
>
> Lesley.
>
>

Perhaps the ballast failed. That would account for the buzzing, too.

--
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Posted by Jeff Wisnia on August 12, 2007, 5:05 pm

Lesley wrote:

> What would cause a neon light to suddenly explode and fall from its fixture?
> There was a buzzing sound before it happened. It was two 6 foot long neon
> tubes that both basically exploded and came crashing down on the floor. I am
> afraid to replace these tubes until I know this will not happen again.
>
> Has anyone ever had a neon light fixture do this?
>
> Lesley
>
>

Uh, are you sure you know the difference between a neon light and a
flourescent bulb, Lesley.

Neon lights are usually not in "fixtures" znd used for lighting to see
by, they're used on signs, and are held in place pretty well by lots of
clips and permanent wiring.

Please clarify what the "fixture" looks like and maybe we'll understand
for certain what it is and be better able to help.

Jeff

--
Jeffry Wisnia
(W1BSV + Brass Rat '57 EE)
The speed of light is 1.98*10^14 fathoms per fortnight.

Posted by HeyBub on August 12, 2007, 6:54 pm

Lesley wrote:

> What would cause a neon light to suddenly explode and fall from its
> fixture? There was a buzzing sound before it happened. It was two 6
> foot long neon tubes that both basically exploded and came crashing
> down on the floor. I am afraid to replace these tubes until I know
> this will not happen again.
> Has anyone ever had a neon light fixture do this?

If one drills a small hole in the end of a florescent bulb, then administers
about a tablespoon of gasoline into the tube, then when the bulb is
energized one gets an explosion of totally immense proportions.

That's probably not what happened in your case.

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Neon light exploding and falling from fixture - Page 3