Exterior flood lights, not flush mounted

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Old 09-26-20, 06:07 PM
C
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Exterior flood lights, not flush mounted

I've got a few exterior motion sensor flood lights where the junction box is mounted to the exterior wall face. Looking to replace a couple of these as the motion sensors have gone bad (these are 20+ years old).



All the flood lights at Home Depot seem to be designed for a junction box that is flush to the wall, such that the light's junction box cover sits against the wall. For example, this light



If I use these, they should overlap the junction box, but I guess water will be able to get in from behind unless the overlap is very small and I can seal it with silicone caulk. If I could get it sealed, in terms of color matching, I could spray the light fixture parts with silver spray paint. From a distance, that would look good enough.

Other options?
 
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Old 09-26-20, 06:35 PM
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You can remove the lamp holders and the sensor from the white plate, and install them into the old plate. There appear to be enough knockouts.
Andy
 
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Old 09-26-20, 06:52 PM
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Or you can buy new plates. They come with multiple ko's.
The same 4" round weatherproof plate fits flush mount or surface boxes.
You can buy a kit that comes with two fixtures, a plate and a motion sensor.

 
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Old 09-26-20, 07:30 PM
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Thanks, I found those plates, seems everyone sells the same one, made by Progress Lighting, though prices vary wildly. Amazon reviews suggest the threading is not quite to the correct spec.
https://www.amazon.com/Progress-Ligh.../dp/B01AS7YHUS

Might be easier to use the existing plates as @Andrew suggested. The existing plates are so old they might actually be made in America.

The motion sensor light I linked to earlier runs $28 at Home Depot. But I guess the only part I really need is the motion sensor since I can use existing plate and light fixtures (and if I'm using the existing plate, I'd rather use existing light fixtures since they color match). Also need gaskets, but I guess I can find some kind of gasketing material and cut to the correct size and shape.

Anyone know where I can get decent motion sensors that don't cost almost as much as the entire assembly at $28? There's always ebay and chicom stuff (which I guess all motion sensors sold in America originate from), but don't want to have to replace every couple of years.
 
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Old 09-27-20, 12:06 AM
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RAB makes the best motion sensor but it's not the least expensive. Nowhere near $28.
 
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