There are 3 wires where the old floodlight used to be and only 2 wires attached to the floodlight I want to install. How can I tell which wires connect to which... and what is the third wire?
Am guessing that the third wire is a ground wire. check the instructions that came with it to be sure.
One wire is probably a ground. Is it bare copper or green? If so it's meant for ground. Black is hot and white is neutral.
Usually there is a black wire (hot), a white wire (neutral), and a green or bare wire (ground)... in an ideal world:) If you need to find the hot wire, you can get a non contact voltage finder from lowes or the hardware store. This device will tell you where the AC voltage source is coming from without you even touching the wire. You will need to remove the old light and wire nut the wires. Then turn the electricity back on, use the detector to find out which wire is hot. Connect the black wire on the lamp to the hot wire.
