Author Topic: Do Full Cutoff Clamshells exist?  (Read 1632 times)
LightsoftheWest
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streetlightian
Do Full Cutoff Clamshells exist? « on: January 19, 2021, 11:10:59 PM » Author: LightsoftheWest
Do clamshell fixtures with FCO optics exist? I know that there were weird optics on certain luminaires, such as SCO high masts, FCO NEMA heads, etc.
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wide-lite 1000
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Re: Do Full Cutoff Clamshells exist? « Reply #1 on: January 19, 2021, 11:22:11 PM » Author: wide-lite 1000
From the manufacturer , I'd say no. It is possible however that one or more could have been converted to FCO in the field by it's owner .
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joseph_125
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Re: Do Full Cutoff Clamshells exist? « Reply #2 on: January 19, 2021, 11:39:02 PM » Author: joseph_125
Didn't the Form 400 use the same shape glass as the later M-400 series luminaires? If so, maybe you can stick a glass from a FCO M-400R2 into a Form 400.

Anyway I believe the first FCO luminaire was either the GE M-100 or the Westinghouse MO-8. Both of which were low cost open bottom luminaires for residential streets.
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funkybulb
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Re: Do Full Cutoff Clamshells exist? « Reply #3 on: January 21, 2021, 02:27:03 AM » Author: funkybulb
 I  do know there sky gaurd made that u can put on nema heads.
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LightsoftheWest
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streetlightian
Re: Do Full Cutoff Clamshells exist? « Reply #4 on: February 07, 2021, 03:25:17 AM » Author: LightsoftheWest
I guess you could make it FCO by taking off the refractor. :lol:
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icefoglights
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Re: Do Full Cutoff Clamshells exist? « Reply #5 on: February 07, 2021, 04:21:47 PM » Author: icefoglights
A lot of lights used for billboards resemble clamshells with flat lenses.
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