Shop lights

[Mike Kurta]

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    Hi Chuck:
    I can help you on flourescent fixtures as our house back in Michigan =
had about 40 of them, the place was completely lit with flourescents.  =
The "hum" you hear is a 60 cycle hum coming from the transformer inside =
the fixture called a ballast.  The ballast is mounted inside and bolted =
to a sheet metal surface which further amplifies the sound.  The only =
way I know of to rid oneself of the hum is to buy a fixture equipped =
with an electronic ballast.  These eliminate 95% of the usual noise =
associated with flourescents.  They are more expensive, but well worth =
the cost.  If you have "hummy" fixtures already in use, they can be made =
quiet by replacing the conventional ballast with the newer electronic =
type, its an easy, simple job. =20
    If the quiet lights are not available, I get them from W.W. Grainger =
company, a
wholesale industrial supply house, same with the ballasts.  They are =
nationwide, but they will only sell to established accounts (I am one) =
so if you can't connect with someone who can get them for you, I'll be =
glad to give you further information. =20
    Consider also the type of tube used in these fixtures.  In the home =
I spoke of, we didn't want the "cold" look and feel of the conventional =
flourescent light, so our architect suggested we use "warm white" rather =
than the usual "cool white."  This gave us a light that more closely =
resembled an incandescent bulb or even daylight.  It was much more =
comfortable, however I use cool whites in my shop and the difference =
doesn't bother me there.  BTW, WW tubes are more expensive.  Maybe this =
is more information than you wanted, but hope it helps,  good to see you =
again.....
    Mike Kurta
  ----- Original Message -----=20
  From: Christus4@aol.com=20
  To: pianotech@ptg.org=20
  Sent: Friday, September 13, 2002 1:50 AM
  Subject: Shop lights


  List,=20

  Can anyone recommend a type of fluorescent fixture and/or bulbs for =
the shop that  operate quietly?=20
  We've all heard the drone of the typical light set-up in many garages, =
kitchens, and shops.  Would like to get the new shop as "hum-free" as =
possible.=20

  Thanks in advance for your help,=20

  Chuck Christus, RPT=20
  Flagler Beach, FL=20


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