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Old 01-30-2018, 01:52 AM   #16
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Re: Issues with a light fixture....


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Originally Posted by BayouRunner View Post
This is the answer. We used to have a maintenance contract with a place where we had to change a lot of bulbs. The 130 volt bulbs last a lot longer. You will get more than double the life with them. We experimented with a bunch of them and the 130 volts won hands down
Except the lumens per watt plummets as soon as you start undervolting a bulb.

incad lightbulbs are cheap and energy is expensive, the typical 60 watt 130v only puts out as much as a normal 40 watt.

Go 25 000+ hour led for energy savings and longevity; forget about under-volting light bulbs
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Old 01-30-2018, 02:21 AM   #17
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Re: Issues with a light fixture....


Don't the 130 v bulbs have a thicker filament so they work better as rough service bulbs?
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Old 01-30-2018, 02:43 AM   #18
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Re: Issues with a light fixture....


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Originally Posted by Shaneyj View Post
I ask lamp type because I've seen the same issue where the neutral tab was not making solid contact inside the screw shell.
Pulling it down was the fix.
What are you meaning here?
The Neutral connection to an ES bulb should be the outside "screw".
The centre "tab" is the switched "Line" connection.

130 v bulbs do have a "heavier" filament so they work better as rough service bulbs and give less light for the same Watts as a normal service bulb.

Also, why is Shaneyj using incandescent lamps and not LEDs - which, in general, are vibration resistant?

(The year is now 2018 but someone is paying for the use of energy at more than three times the rate necessary for the illumination purposes required.
Why?)
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Old 01-30-2018, 06:01 AM   #19
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Re: Issues with a light fixture....


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Originally Posted by FrodoOne View Post
What are you meaning here?
The Neutral connection to an ES bulb should be the outside "screw".
The centre "tab" is the switched "Line" connection.

130 v bulbs do have a "heavier" filament so they work better as rough service bulbs and give less light for the same Watts as a normal service bulb.

Also, why is Shaneyj using incandescent lamps and not LEDs - which, in general, are vibration resistant?

(The year is now 2018 but someone is paying for the use of energy at more than three times the rate necessary for the illumination purposes required.
Why?)
Thank you for the correction, I misspoke.

I did not state whether I use LED versus incandescent lamps. I'm not sure what you mean by that comment.

The brightness of a bulb is not a function of voltage rating, but rather of voltage supplied to the bulb.

Sent from my HTC6545LVW using Tapatalk
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Old 01-30-2018, 01:34 PM   #20
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Re: Issues with a light fixture....


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Originally Posted by smokeeater360 View Post
We have a single story house so nothing above it other then attic crawl space. This fixture is in the entry way.
door slamming could be doing it...
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Old 01-30-2018, 03:32 PM   #21
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Re: Issues with a light fixture....


I did replace it with a LED bulb. We will see what happens.
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Old 01-30-2018, 05:55 PM   #22
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Re: Issues with a light fixture....


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Originally Posted by jlhaslip View Post
Don't the 130 v bulbs have a thicker filament so they work better as rough service bulbs?
Thicker and much longer.

The greater length is required to compensate for the lower resistance to get the right wattage at 130v. The lower current from being under-volted cuts the wattage slightly below the rating.

Filament runs significantly cooler has to do with wattage vs surface area, so less tungsten evaporates and it lasts longer.

The side effect of a cooler filament is lower lumens per watt.

Can make a more efficient bulb by running the filament much hotter, but at the expense of lifespan.

They do that but use a halogen capsule where the gas re-deposits the evaporated tungsten back on the filament.
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Old 01-30-2018, 08:30 PM   #23
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Re: Issues with a light fixture....


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Originally Posted by smokeeater360 View Post
I did replace it with a LED bulb. We will see what happens.
Did you get an entire new fixture, or are you trying to reuse the burned up one?

ED
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Old 01-30-2018, 09:53 PM   #24
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Re: Issues with a light fixture....


de-nagorg......fixture itself is not buned up, it keeps burning out bulbs frequently. I am trying a LED bulb to see how long that lasts to see if I need to replace the fixture.
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Old 01-30-2018, 10:00 PM   #25
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Re: Issues with a light fixture....


My mistake, I confused this with a similar question, where they had a melted electrode in one of their fixtures.

MEA CULPA!


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