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Re: Retrofitting existing floodlights



> motion sensor lite kit at home depot.
> replace existing lite fixture with motion lite as per instructions in box.
> the instructions will tell you how to use the existing switch.

Which will, generally, only work with that one fixture.  That and it'd
require leaving the wall switch inside the house in the On position at all
times.

Unless full-time power is supplied the sensor there's no way to get around
leaving the inside switch On all the time.

The tricky part is balancing between having "full control" versus automatic
regardless of inside switch settings.  If you provide power directly to the
sensor you can wire it such that the wall switch will control turning it on
or off independently of the sensor.  That is, the lights will come based on
the sensor's detection regardless of the wall switch.  That's what most
people want but bear in mind that it doesn't give you a way to "kill" the
lights.  Like wanting to deliberately leave the lights off regardless of
detected motion.

So decide what's best.  I found it wasn't practical to require leaving the
switch on.  Too many times the light got 'turned off' and the sensor along
with it.

-Bill Kearney



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