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Date: Tue, 26 Aug 2008 16:29:55 -0400
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From: mike reinath <n3602m@yahoo.com>
Reply-To: n3602m@yahoo.com
Subject: Re: MR 16 bulb -Landing Lights
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There is a nice write-up in Wikipedia on the MR-16 bulb. Here are the ANSI =
codes from that write-up.

The following ANSI standard codes are used to designate certain power and b=
eam angle combinations for MR16 lamps. Many manufacturers use these standar=
d codes for lamps matching these specifications:
=09=E2=80=A2=09ESX: 20 watt, 10 degree beam (20MR16/10=C2=B0)
=09=E2=80=A2=09BAB: 20 watt, 40 degree beam (20MR16/40=C2=B0)
=09=E2=80=A2=09EXT: 50 watt, 15 degree beam (50MR16/15=C2=B0)
=09=E2=80=A2=09EXZ: 50 watt, 25 degree beam (50MR16/25=C2=B0)
=09=E2=80=A2=09EXN: 50 watt, 40 degree beam (50MR16/40=C2=B0)
=09=E2=80=A2=09FPA: 65 watt, 15 degree beam (65MR16/15=C2=B0)
=09=E2=80=A2=09FPC: 65 watt, 25 degree beam (65MR16/25=C2=B0)
=09=E2=80=A2=09FPB: 65 watt, 40 degree beam (65MR16/40=C2=B0)
=09=E2=80=A2=09EYF: 75 watt, 15 degree beam (75MR16/15=C2=B0)
=09=E2=80=A2=09EYJ: 75 watt, 25 degree beam (75MR16/25=C2=B0)
=09=E2=80=A2=09EYC: 75 watt, 40 degree beam (75MR16/40=C2=B0)
Note that MR16 lamps are available in many other power and beam combination=
s than those available above. For this reason, MR16 lamps are also often la=
beled according to beam spread abbreviations. Note that these while these a=
bbreviations are commonly used, the angles associated with these abbreviati=
ons vary slightly from manufacturer to manufacturer. These are typical beam=
 angles for these beam spread abbreviations
=09=E2=80=A2=09VNSP (Very narrow spot): less than 8 degrees
=09=E2=80=A2=09NSP (Narrow spot): 8-15 degrees
=09=E2=80=A2=09SP (Spot): 8-20 degrees
=09=E2=80=A2=09NFL (Narrow flood): 24-30 degrees
=09=E2=80=A2=09FL (Flood): 35-40 degrees
=09=E2=80=A2=09WFL (Wide flood): 55-60 degrees
=09=E2=80=A2=09VWFL (Very wide flood): 60 degrees or more

Mike Reinath
LNC2 875 Hrs
N3602M (RHV)=0A=0A=0A