
I used this to replace an old photocell on a metal halide armature. This took less than 1 minute. All I had to do was turn the old jig counterclockwise about 1/8 turn and then pull on it. He fell out of the slots with the key. Then the attitude was just the opposite. I flipped the switch back on and headed up the stairs. After holding my hand over the photocell for about 30 seconds, I heard a click and the light came on. Perfect, simple and compatible. This will likely work with most outdoor lights that have a top mounted photocell.

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