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kabie1

07:04AM | 09/24/08
Member Since: 09/23/08
1 lifetime posts
Bvelectrical
Okay, we bought a new motion sensor flood light to replace one that the motion sensor died on (really old), i thought no problem take one down, replace it, but the new one has very poor directions in that it says wire black to black and white to white and don't do anything with green or bare that is ground. HOWEVER the problem comes with the fixture itself has black and white wires but also a red wire, with no indication in the instructions as to what that is. Also does not tell me to connect the ground to anything, a grounding screw, etc, just tells me to leave it loose in the box?? Also on white and black wires have multiple ones in the fixture, one to each of two flood lights and one to the sensor, do they all connect together and to the one white coming from the box? same for black? shows on instructions that the fixture has 1 black wire and 1 white which is not the case. Also no help line listed, very very very poor instructions. Thanks for any help.

TimBonham

03:22PM | 09/24/08
Member Since: 01/09/07
197 lifetime posts
These do indeed sound like VERY bad instructions!

First, the ground wires should ALWAYS be connected. If it's a metal box, you should have a grounding screw with a pigtail wire that you can connect to the other grounding wires. If it's a plastic box, just connect all the grounding wires together, including the one from the incoming power cable.

And all the white wires get connected together.

Probably, the black power wire from the box connects to a wire to the sensor, and the other wire coming out from the sensor then connects to the two black wires going to the two lights in the fixture. Whether the black power wire connects to the red sensor wire, and then the black wire from the sensor connects to the blacks from the lights, or vice versa, will depend on the specific manufacturer and their instructions (which seem to be bad in your case). It may not matter; it might work either way. First, try searching online for that specific manufacturer and model, and maybe find better instructions. But if you can't you might just have to experiment. (You risk damaging the sensor, but there should not be any risk of fire or other electrical problems.)

darknessesedge

05:54PM | 09/25/08
Member Since: 09/24/08
10 lifetime posts
http://www.realtor.com/home-garden/do-it-yourself/electrical/installing-motion-sensor-light.aspx

look at the above link and it explains how ot wire and tells you about the red wire. (red motion-sensor wire)

hope it helps!

Tom
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