Please remember to turn the power off when you are doing this. the extra cable is probably a looped or joined cable. put it in a connector or solder it with tape and leave it behind the light fitting or in the terminal block. connect the same cables up in the active, neutral and earth. like for like. make certain the power is off when you do this.
Basic steps to check if the problem lies with the home theatre system or not.
1. First thought might be to conclude that your poor audio quality is caused by your speakers, before you immediately race out to purchase a new home theater surround sound speaker package, check the basic things first.
2. The problem might not be in the speakers, but in the amplifier or the connections from the amplifier. Checking and ensuring that the speakers are correctly connected on both ends is the first step.
3. After the connections pass examination, the next step is to check if the problem lies with the amplifier or audio speaker. Some of the lower end home theater systems come with low powered amps. Most often they do not supply sufficient power to speakers to produce the quality audio you desire. This may show up particularly if the room is large when the sound doesn't fill up the room.
4. To determine if it is indeed the amplifiers then hook up your speakers to a stereo; this generally will have a more powerful amp. If the speaker quality improves then the problem probably lies in your home theater amplifier.
If you cannot distinguish any difference, then your speakers could possibly be at fault.
5. Poor cable installation and audio speaker cable are another possible cause for consideration. Cheap workmanship can lower audio quality and home theater packages often come equipped with inexpensive poor quality cables.
6. If you experience problems with your theater system, it is always best to assume the problem lies in the connections between components first and then suspect the components themselves.
7. To ensure a great sound experience ensures that everything is properly connected, your amp is of sufficient power, and the cables are of high quality. If a person makes use of these basic easy precautions a significant amount of frustration can be eliminated. If your home theater sound isn't where you need it to be, use those hints as a blueprint as you analyze your system. If it really is time to look for new components, consider those directives as you make your next purchase.
Note : Check to see if the color is bad across all input sources. If so, make sure you have your Televisions' color settings set to your preferences. If everything looks good except, say, your DVD player, and it is connected to your TV via Component Video Connections (which is composed of three cables - Red, Green, and Blue), make sure they are matched up correctly with the Component (Red, Green, and Blue) connections on your TV. This is a common mistake as it is sometimes hard to distinguish the Green and Blue connectors if the lighting in the connection area is dim.
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WHat it the extra wire connected to? Generally, you only need three wires and you have identified them correctly. I have seen 220 V AC systems with 4 wires - 2 hot wires, one neutral, and one ground. I dont know where you are writing from so I dont know your power system voltage.
Is the additional wire originating from the fixture or the box in the ceiling? and if it's from the box in the ceiling, which of the existing fixture wires is it currenty tied into?
how are the wires connected at the light? The earth only goes to one place. If there are two wires together at present at one side of the light and one on the other then keep it this way when swapping over your light
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