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Usually, it is the black wire. But it may be better to say that the white wire does not go on the 'hot' side. In 3-way switches, oven plugs, and so forth, a red wire can be 'hot'.
By the way, in AC, which is what your plugs are, there is no positive and negative side. That only happens in DC . . . things operated from a battery.
Also, just to be safe, the 'hot' side on a convenience outlet is connected to the smaller of the two holes.
Also, just to cover the bases, sometimes a white wire must be used on the 'hot' side, but it is supposed to be wrapped with black electrical tape to show you that it is 'hot'.
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For AC connections, there is no such thing as "positive". The convention there is that the "neutral" wire is white, the ground wire is green, and the "live" or "hot" wire is ... whatever isn't white or green (usually black in a two or three wire situation, but in multiphase or industrial wiring where it's important to be able to distinguish what circuit a given wire belongs to, red, blue, and brown are also often frequently used).
For DC connections, such as are used in vehicles and electronic battery powered equipment, the color conventions are that red is usually positive and black is usually negative.
Wiring a duplex receptacle
Looking at the duplex receptacle from the front side directly on, you should see a larger blade hole (silver) on the left, smaller (brass) blade hole on the right and a U shaped ground blade on the bottom. The white wire connects under the left (silver) coloured screw, the black wire connects under the right (brass) coloured screw and the green wire under the green ground screw.
Answer for countries in Europe and other world areas running a 230 volt 50 Hz supply service.The BROWN wire is the "hot" or "live", BLUE is the neutral and the GREEN/YELLOW wire is the "earth" / "safety ground" wire.(In the UK, if your socket outlets are wired with the old Black, Red and Green/Yellow wires (as were used until 2006) RED is the live wire and BLACK is the neutral in the socket outlet but the BROWN wire is still the "live" wire in the plug on the flexible cord to your appliance.)
If in doubt, please leave it to the professionals for your own safety!
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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
What else can I help you with?
What are the names of the three wires in a plug?
The three wires in a plug are typically called live, neutral, and earth wires. The live wire carries the current to the appliance, the neutral wire completes the circuit and carries the current back, and the earth wire is a safety feature to prevent electric shocks.
Is the wide prong on an electrical plug connected to the black wire?
No, the wide prong is neutral it is the white wire. The narrow prong is hot it is the black wire. The round prong (in a 3 wire plug) is safety ground it is the green wire.
What is significance of red black and green wire in three pin plug?
The significance of the red, black, and green wires in a three-pin plug typically corresponds to their functionality. The red wire is usually the live wire, the black wire is the neutral wire, and the green wire is the earth wire. These colors help to identify and properly connect the wires for safe and correct electrical wiring.
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 color of live wire neutral wire and ground wire in Bangladesh.?
In Bangladesh, the live wire is typically red, brown, or black; the neutral wire is typically blue or black; and the ground wire is typically green or green with a yellow stripe. It is important to consult with a local electrician or electric code regulations for accurate information.
What are the names of the three wires in a plug?
The three wires in a plug are typically called live, neutral, and earth wires. The live wire carries the current to the appliance, the neutral wire completes the circuit and carries the current back, and the earth wire is a safety feature to prevent electric shocks.
Is the wide prong on an electrical plug connected to the black wire?
No, the wide prong is neutral it is the white wire. The narrow prong is hot it is the black wire. The round prong (in a 3 wire plug) is safety ground it is the green wire.
What is significance of red black and green wire in three pin plug?
The significance of the red, black, and green wires in a three-pin plug typically corresponds to their functionality. The red wire is usually the live wire, the black wire is the neutral wire, and the green wire is the earth wire. These colors help to identify and properly connect the wires for safe and correct electrical wiring.
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 color of live wire neutral wire and ground wire in Bangladesh.?
In Bangladesh, the live wire is typically red, brown, or black; the neutral wire is typically blue or black; and the ground wire is typically green or green with a yellow stripe. It is important to consult with a local electrician or electric code regulations for accurate information.
How do you attach a three prong plug wire with a green white and black wire to a shop light with a black wire and white wire?
The green wire is for ground. You can attach that to any metal part of the frame. The red is the active and coincides with the lefthand prong into the plug and the black in this case should be the Neutral and ciocides with the right prong into the plug as seen standing behind the plug.
What is the blue wire for in a three pin plug?
In the UK Brown is the live, blue is the neutral and green/yellow is the earth. The live and neutral are the two wires that normally carry the current.
Is black or grey wire live?
The black wire originating from a breaker box or fuse box is the live wire. However, in certain cases, the grey (or white) neutral wire can also be live. For example, the black wire may feed a lighting outlet, and if the neutral wire is broken on its way back to the neutral bar in the panel, then the neutral wire from the lighting outlet will be hot, because there is an electrical path from the black wire, through the light, and to the neutral. The point is, always check with a voltmeter before assuming the white or grey wire is not live.
Is the blue wire the live wire?
When ever there is a potential difference between it and ground.
Which wire is not present in a 2 pin plug?
In a 2-pin plug, the wire that is not present is the grounding wire. This type of plug only has two prongs for the live and neutral wires, unlike a 3-pin plug that includes a grounding wire for added safety.
Color code in 3 pin electric plug in India?
Green with Yellow Stripe Wire - Earth Wire (E) Blue Wire - Neutral Wire (N) Brown Wire - Live Wire (L) When you look at the plug with the terminals facing towards you: /\ / \ / E \ / \ / \ / L N \ ------------------
What are the three wires in a plug called?
The green and yellow is the earth wire The brown is the live wire The blue is the neutral wire A poem to help is: The brown live cow drinks from the blue neutral water and eats the green grass from earth
