[Greenbuilding] Greenbuilding Digest, Vol 38, Issue 9

[barbara deane-gillett]

www.graingers.com
yes
i have used 2 25$

4zy series 5800 lumens with 4kgf7 ballasst 67$
108 watts. so 110 lumens per watt
5ya65 167$ provides a single fixture

Sent from my iPhone

On Oct 15, 2013, at 2:00 PM, greenbuilding-request at lists.bioenergylists.org wrote:

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> Today's Topics:
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>   1. linear fluorescent single tube 8ft fixture? (Reuben Deumling)
>   2. Re: linear fluorescent single tube 8ft fixture? (David Wentling)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Tue, 15 Oct 2013 08:21:58 -0700
> From: Reuben Deumling <9watts at gmail.com>
> To: Greenbuilding <greenbuilding at lists.bioenergylists.org>
> Subject: [Greenbuilding] linear fluorescent single tube 8ft fixture?
> Message-ID:
>    <CAE5fceDeMgkHBLOgTZQ=gaEg=G9ZfXYYz9D+dqzNDTjq1uCQUA at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Are there product lists, databases, or other searchable tables where I
> could find the best (most lumens/watt?) 8' fluorescent lights? I understand
> I can go to my local hardware store and pick up (probably cheap) some
> fluorescent lights, or even a lighting store and find a wider selection,
> but ideally I'd like to discover the most efficient version. How would you
> proceed?
> 
> My assumption is that a single 8' light (~32W) will give me the most amount
> of usable light spread over the largest area. Is that a fair assumption? Do
> single tube 8' fixtures exist? The two-tube approach, while more common, to
> me seems like a great way to burn up twice the electricity. Thoughts?
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> Message: 2
> Date: Tue, 15 Oct 2013 10:18:16 -0700 (PDT)
> From: David Wentling <dpwentling at ymail.com>
> To: Green Building <greenbuilding at lists.bioenergylists.org>
> Subject: Re: [Greenbuilding] linear fluorescent single tube 8ft
>    fixture?
> Message-ID:
>    <1381857496.9812.YahooMailNeo at web160601.mail.bf1.yahoo.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> There is light output and energy usage.
> Some transformers can operate multiple fixtures so you do not need as many, possibly reducing cost of installation and operation. You might need extra conduit and wire to connect.
> Depending on the elevation of the light fixture to working surface, it will effect the choice of light output required.
> Read literature carefully!
> ?
> David Wentling
> ConservFirst.com
> 
> 
> 
> 
> ________________________________
> From: Reuben Deumling <9watts at gmail.com>
> To: Greenbuilding <greenbuilding at lists.bioenergylists.org> 
> Sent: Tuesday, October 15, 2013 9:21 AM
> Subject: [Greenbuilding] linear fluorescent single tube 8ft fixture?
> 
> 
> 
> Are there product lists, databases, or other searchable tables where I could find the best (most lumens/watt?) 8' fluorescent lights? I understand I can go to my local hardware store and pick up (probably cheap) some fluorescent lights, or even a lighting store and find a wider selection, but ideally I'd like to discover the most efficient version. How would you proceed? 
> 
> My assumption is that a single 8' light (~32W) will give me the most amount of usable light spread over the largest area. Is that a fair assumption? Do single tube 8' fixtures exist? The two-tube approach, while more common, to me seems like a great way to burn up twice the electricity. Thoughts?
> 
> 
> 
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> End of Greenbuilding Digest, Vol 38, Issue 9
> ********************************************