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Is it safe to connect copper wire to aluminium wire on a ceiling light?
Wiki User
∙ 14y ago
Make sure that the wire nut used to make the splice is rated for Al/Cu connections. It will be UL rated and takes into account the explaination below.
Many fires have been caused by doing that. It has to do the rate of expansion and contraction being different for the two metals. When electricity passes through a wire it usually heats up then cools back down when the power is turned off. Over time the two will essentially work themselves loose from one another because one is swelling and contracting while the other is not. Although technically it can be done (and probably has been done millions of times) it is not really safe or recommended.
Wiki User
∙ 14y ago
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What is ceiling light?
A light that is mounted on the ceiling.
I see only a red and a green wire coming out from ceiling box. What are they and how do you connect them to a ceiling light?
Normally red or black is the hot wire and green is the ground. However someone may have used the green wire as the neutral wire which is normally white. Just connect the black wire from the light to the red wire and the white wire from the light to the green wire and see if it works. If not you have to pull the wires out of the ceiling box and see how they wired it.
What happens when you connect the wrong wire to the live in a three wire ceiling light?
If you connect the ground wire to the hot wire it will trip the breaker. If you get the white and black wires reversed it will still work but does not meet code.
Why you use aluminium in transmission lines?
Aluminium isn't as good a conductor as copper is, but it's cheap, light, strong, and "good enough." In fact, aluminum is so much cheaper than copper that you can use a much thicker wire and still save money... this makes it even stronger (at the cost of making it a bit heavier) and also lowers the resistance.
When you connect earth wire in ceiling light does not work when connecting earth from light direct to earth wire coming from ceiling trips out when take earth wire out light works?
By earth wire I am assuming you mean the bare wire and that a black and white wire are connected to the light. If when you connect the earth wire and breaker trips then there is a short between black and earth. It could be a bad ground connection, an internal short in the light fixture where black wire "hot" is connected to metal on the fixture through a nick in wire.
What is the body of aeroplane made of?
An aeroplane body is made up of an alloy (meaning: mixture of metals) of aluminium and copper. This is as aluminium is very light and cheap, but it needs copper as aluminium is too brittle. This way the plane have a weight of aluminium but the felexibility of copper!
What do you use to connect the electrical wires when fitting a ceiling fan or ceiling light?
Wire nuts
Why is aluminum prefered to copper?
Aluminium is cost effective for products such as electric conduction,vessels that require hard and light metal.It is less reactive to corrosion while copper is expensive and now more expensive than aluminium.
What are the names of two metals that are useful in industry because they are strong and light?
Aluminium Zinc Chromium Cobalt Copper
What is ceiling light?
A light that is mounted on the ceiling.
What will happen if you connect a copper wire to 1 dry cells and a light?
the light will turn on because of the electricity flow in the wire
I see only a red and a green wire coming out from ceiling box. What are they and how do you connect them to a ceiling light?
Normally red or black is the hot wire and green is the ground. However someone may have used the green wire as the neutral wire which is normally white. Just connect the black wire from the light to the red wire and the white wire from the light to the green wire and see if it works. If not you have to pull the wires out of the ceiling box and see how they wired it.
How do you connect copper wires to battery?
i will tell you how if you tell me what this project is called,it uses light bulb, copper wires,holder,6 volt battery.
How do you install a new pull chain ceiling light?
Just remove the old light and install the new pull chain light connecting the black wire to the copper screw and the white wire to the silver screw. There is no connection for the ground wire. Just shove it back into the ceiling box.
What if the light fixture has two copper house wires?
If you mean 2 bare copper wires those are the ground wires. Tie them together and then connect the light fixture ground wire which will be green or bare copper to those ground wires.
Why copper is used more than aluminum in day today life?
Copper is a metal that conducts electricity and is used in a majority of electrical appliances from toasters to mobile phones so in every day life copper is regularly used. Aluminium is only really used in day to day life in aluminium foil as its uses otherwise come from it being a light metal which is why it's used in aeroplanes. When copper was very high in price aluminium was used for electrical cables, but there are two problems - copper is a much better conductor of electricity, and aluminium has an oxide layer on the surface which makes it difficult to get good electrical contact. Copper is also used for water pipes as it is easy to solder and generally has better corrosion resistance.
Why is aluminium used in the central core in power cables?
Aluminium is a) strong b) light c) fairly cheap d) not a terrible conductor of electricity. It's much stronger, lighter, and cheaper than any material that conducts electricity significantly better than aluminium does.Why is that important?Well, if you're making wires for long-distance power transmission, having the wires be strong and light means you can put the towers further apart, which is a significant savings. In fact, aluminium is SO light that you can make the wire thicker (which makes it even stronger), and since power-carrying-capacity increases with increased cross-sectional area, the fact that it doesn't conduct as well as, say, copper becomes less important. And aluminium is so much cheaper than copper that even the thicker aluminium wire is cheaper than a copper wire of the same carrying capacity.
