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Old 11-20-2010, 04:18 PM   #1
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motion detector


I just brought a new dwelling with a garage/detach from the house.

The garage has a pair of floodlight that are wire to motion detector.

This motion detector stay on a while than goes off,


Question: I want to wire in a switch that will turn on the floodlights so
they stay on as long as want than to. Also when I turn off this switch
I want to motion detector, controlling the floodlights. How is this done?

I understand about house power 120/240 volts. The floodlights operate
on 120 volts to ground. Thanks.
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Old 11-21-2010, 10:36 AM   #2
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Wire the switch in parallel with the sensor. This way the sensor or switch can turn them on or off. The lights work off 120 volts to neutral not ground. Just wanted to clarify this for you. Just FYI.
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Old 11-21-2010, 11:03 AM   #3
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Most of the motion sensors are wired just like a regular switched light. When you turn on the switch the sensor is active and works on motion. When you turn off the switch and turn it back on (or some types require you to turn it off and back on several times) within a certain number of seconds the light is on all of the time. When you want to go back to motion you shut off the switch for 10 seconds and turn it back on.
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Old 11-21-2010, 04:49 PM   #4
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what teamo said. If there's a switch for it, turn that switch off then back on, the light will probably come on and stay on.

If it does not, wiring a switch between the black and red wires from the motion sensor will bypass it.

I'll warn you - I have never, EVER seen one wired in a way that would make this not work, but it is possible.

(those more knowledgeable who wonder what I'm talking about, imagine the sensor's output being an spdt relay with the nc contact wired to neutral. I have no idea why a company would do this, but considering some of the stuff I've been seeing lately...)
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