Testing my Simplex 2903+4050 horn/light combo. Both the 2903 light plate and the 4050 horn operate off 120VAC. The 24VDC verson 2903 can be seen in my video with a 24VDC 2901-9806 attached to it. The bulb is basicly a night light bulb. And yes the "fire" lens can get quite warm after a while.
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