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Turn the mains switch OFF. In a "earthed neutral" system, the neutral will be earthed. With the mains off, neither wire should display voltage, and one of them should be grounded. That one is the neutral.
Be careful - electricity is dangerous.
In the above answer, third sentence both wires will read to ground as the hot wire will read to ground through the load.
The hot wire is the live supply, the load is the wire going to the appliance, so I assume you are talking about wires at a switch, if so, it doesn't matter; when they are closed (touching) the light will be on, when they are open (not touching) the light will be off. DANGER don't touch any potentially live wires until the circuit has been isolated and proven to be dead.
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What to do with the white wire in track light with black green and white wires if the house does not have a white one?
The white is neutral. The house does have a neutral wire even though it may be black. One of those black wires is the neutral and the other is the hot wire. You will have to determine which is hot and which is neutral. You can easily do this with a voltage tester. The wire that lights the tester is the hot. When you wire the light simply wire the hot to hot, and the white and green to the other wire.
How do you connect timer white and black house wire with red black and white wires?
House wire is "line" Black & White house goes to Black & White of Timer; the "load" (e.g. Pond Pump, etc.) is connected to the Red & White. Specifically, put all 3 whites together (nut or terminal); House (source)(line) Black to Timer Black; and "load" Black to Timer Red. The Red wire is the "Timed" (switched) hot wire.
How to wire a plug with blue brown and Black?
Test the wire with a meter to determine which wire is your hot, which is your neutral, and which is your ground. Those colors are indicative of a 240v circuit normally, so you may have two hots and a ground. Other wise Hot=Black, Neutral=White, and Ground=Green for placement. On your plug, Black/Hot goes to the brass colored terminal. Green/ground goes to the sometimes green terminal that is off by itself usually at the bottom of the receptacle. The neutral goes to the silver terminal.
What is the red wire and what wire does it go with when there are three wires black red and white?
Red, white, and black are standard for a three-way switch (you have two switches that control the same fixture). You should also have a ground wire (copper, unsheathed). The black and red are negative, while the white is positive. It works pretty simply. When the switch is up, the black and white are linked, creating a circuit. When it is down, the red and white are linked. If both switches agree (both are red/white or both are black/white), then the circuit is completed and power flows.
Light switch has 4 wire colors red and white and green and black which is the hot wire?
You have a 3 way switch. Your black wire is the hot wire. Your green wire is the ground wire. Your red and white wires go to the light and other switch. You should have gotten a wiring diagram with your switch.
Which wire is hot, white or black?
The black wire is typically hot, while the white wire is neutral.
Is Black wire vs black wire with white stripe positive or negative?
Any marking (a white stripe, bump molded into the cable, different wire colours) is an indication for your reference only. It doesn't matter, as long as you connect the marked side on the amplifier to the same polarity on the speaker side.
What to do with the white wire in track light with black green and white wires if the house does not have a white one?
The white is neutral. The house does have a neutral wire even though it may be black. One of those black wires is the neutral and the other is the hot wire. You will have to determine which is hot and which is neutral. You can easily do this with a voltage tester. The wire that lights the tester is the hot. When you wire the light simply wire the hot to hot, and the white and green to the other wire.
Is the white or black wire hot?
In a standard electrical wiring setup, the black wire is typically the hot wire, while the white wire is the neutral wire.
How do you connect timer white and black house wire with red black and white wires?
House wire is "line" Black & White house goes to Black & White of Timer; the "load" (e.g. Pond Pump, etc.) is connected to the Red & White. Specifically, put all 3 whites together (nut or terminal); House (source)(line) Black to Timer Black; and "load" Black to Timer Red. The Red wire is the "Timed" (switched) hot wire.
Where does the red wire go, to the white or black wire?
The red wire typically goes to the black wire.
Which wire does the red wire connect to, black or white?
The red wire typically connects to the black wire.
How do you determine which wire on a solar panel is the negative end?
The negative wire on a solar panel is typically marked with a black color or minus (-) sign. You can also use a multimeter to test the voltage output of each wire to identify the negative end.
How do you wire the last fixture in a parallel circuit?
The last fixture in a parallel circuit is wired the same as the first. In North America, all of the fixtures are wired black wire to black wire and white wire to white wire. The black wire being the "hot" wire and the white wire being the neutral wire.
Which wire is considered hot, white or black?
The black wire is considered hot.
How to wire a plug with blue brown and Black?
Test the wire with a meter to determine which wire is your hot, which is your neutral, and which is your ground. Those colors are indicative of a 240v circuit normally, so you may have two hots and a ground. Other wise Hot=Black, Neutral=White, and Ground=Green for placement. On your plug, Black/Hot goes to the brass colored terminal. Green/ground goes to the sometimes green terminal that is off by itself usually at the bottom of the receptacle. The neutral goes to the silver terminal.
What is the red wire and what wire does it go with when there are three wires black red and white?
Red, white, and black are standard for a three-way switch (you have two switches that control the same fixture). You should also have a ground wire (copper, unsheathed). The black and red are negative, while the white is positive. It works pretty simply. When the switch is up, the black and white are linked, creating a circuit. When it is down, the red and white are linked. If both switches agree (both are red/white or both are black/white), then the circuit is completed and power flows.
