Kinda OT Yard light

super99 · May 30, 2015

I saw the post earlier about yard lights, so I figured I'd ask. 2 or 3 years ago, I needed a new light on the front of the machine shed. Went to Menards and got what I think is a metal halide light. It has a small bulb and makes a very bright, white light. Lately it comes on and as soon as it gets almost fully brite, it goes out and starts over. Usually waits a few minutes after going out before it starts the cycle over again. Can the bulb be the problem even when it lights up? Thanks, Chris

davediehl@hotmail.com · May 30, 2015

Time for a new bulb. Same thing with city street lights. They will come on to full intensity, then go off. Cycle again the same way.

FBH44 · May 30, 2015

Might not be the bulb, might be the photo-cell. Different animals entirely.

Blackhole49 · May 30, 2015

Betting bulb, when my photo cells have gone out, the lights(3) don't work at all.

Prawn Farmer · May 30, 2015

On my barns, when ballast costs get too close to the cost of a new light, I gut the fixture and switch them over to 2100 lumen 32 watt fluorescent. We don't have much single digit temps during the winter so they start and last a long time. I've done it on 175W mercury vapor and 70W sodium.

D beatty · May 30, 2015

You might consider a new fixture. The new 175 watt metal halide bulb cost $55.00 through Menards. The new LED fixtures that would replace that one in a RAB fixture has a 100,000 hour life all other companies say only 50,000 hours rating.

MeAnthony · May 30, 2015

Yes, it likely needs a new bulb. This is normal behavior when the bulb reaches end-of-life. Good explanation and troubleshooting link below. If you keep using it once it starts flickering, good possibility that it will burn up the ignitor as well.
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Kinda OT Yard light

super99

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FBH44

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Blackhole49

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Prawn Farmer

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D beatty

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MeAnthony

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