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    GaTnMason's Avatar
    GaTnMason Posts: 8, Reputation: 1
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    #1

    Mar 15, 2016, 11:38 AM
    Add a sensor to flood lights
    Problems wiring a motion sensor to existing out side lights. Matched all wires black on black and white on white and I have two blue leads left and unsure where to connect them to?
    cdad's Avatar
    cdad Posts: 12,700, Reputation: 1438
    Internet Research Expert
    		  
    #2

    Mar 15, 2016, 01:35 PM
    Who made the sensor? It is possible the the black and blue wires are for the circut. But without knowing the manufacturer then it is hard to say.
    GaTnMason's Avatar
    GaTnMason Posts: 8, Reputation: 1
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    #3

    Mar 15, 2016, 02:33 PM
    Quote Originally Posted by cdad View Post
    Who made the sensor? It is possible the the black and blue wires are for the circut. But without knowing the manufacturer then it is hard to say.

    Leviton model # RS110-10W
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    Mar 15, 2016, 03:52 PM
    Most sensors are like a switch, they create a break in the power line.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #5

    Mar 15, 2016, 03:53 PM
    Go to the Leviton website. Put in your model. PDF file shows hot black to blue ,second blue to light(load) ,all whites together. Instructions with unit should show you.
    GaTnMason's Avatar
    GaTnMason Posts: 8, Reputation: 1
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    #6

    Mar 15, 2016, 05:58 PM
    Quote Originally Posted by ballengerb1 View Post
    Most sensors are like a switch, they create a break in the power line.
    I realize it acts as a switch but it has two blue leads that I'm not sure where to tie them to I've tried connecting to black and then tried connecting to white still the sensor doesn't cut circuit. Going to try taking the blue out of the wiring path to see if that works.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #7

    Mar 15, 2016, 06:08 PM
    Quote Originally Posted by GaTnMason View Post
    I realize it acts as a switch but it has two blue leads that I'm not sure where to tie them to I've tried connecting to black and then tried connecting to white still the sensor doesn't cut circuit. Going to try taking the blue out of the wiring path to see if that works.
    If you follow my post, you will see the wiring diagram. I could not post it from my Kindle. You NEED both blues.
    GaTnMason's Avatar
    GaTnMason Posts: 8, Reputation: 1
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    #8

    Mar 15, 2016, 06:24 PM
    Quote Originally Posted by ma0641 View Post
    If you follow my post, you will see the wiring diagram. I could not post it from my Kindle. You NEED both blues.
    So does 1 blue connect to blacks and the other blue connect to the white?
    GaTnMason's Avatar
    GaTnMason Posts: 8, Reputation: 1
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    #9

    Mar 15, 2016, 06:49 PM
    I've looked at the pdf it's the same as the information that came with item. I have no neutral wire in box. Only 3 black, white, and bare ground. There are 4 sets of flood lights wired to one switch.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
    		  
    #10

    Mar 15, 2016, 07:11 PM
    You connect the black from the switch to the black of the sensor and to one of the blues of the sensor. You connect the other blue to the black to the light. You connect the white from the switch to the white of the sensor and to the white to the light.
    The sensor has to be put between the switch and the first light.
    GaTnMason's Avatar
    GaTnMason Posts: 8, Reputation: 1
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    #11

    Mar 15, 2016, 07:23 PM
    I not sure which of the 4 is the first one in the string I'm going to replace all 4 with a new fixtures but this one I'm adding just a sensor to the existing fixture.
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
    		  
    #12

    Mar 16, 2016, 12:23 PM
    It appears to me that you really need to get a licensed electrician to do this work.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #13

    Mar 16, 2016, 12:25 PM
    Then
    "black from the switch" would be the incoming hot (black)

    And
    "white from the switch" would be the incoming neutral (white)

    It is really not all that difficult once you realize that the sensor must have power to operate. Therefore the black and white must be connected to the sensor to power it. Then the power must also go through the switching mechanism. It goes in one blue and out the other. So one blue must also be connected to the incoming power (black") and the other blue must be connected to the black going to the light.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #14

    Mar 16, 2016, 01:43 PM
    "I have no neutral wire in box. Only 3 black, white". The white is the neutral. If you didn't have a neutral you would have never had a light to begin with. The 3 black are probably a hot black and 2 pigtails to other lights. The instructions we have given you are identical to the ones on the PDF and the box. Lets try again. Hot black to EITHER blue. In your case, probably all blacks and 1 blue together. Other blue to light load, black on fixture. All whites together.
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