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Q: Which wire is live on American cable white or black?
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Which wires are the live neutral and earth on a Chinese cable where the colours are brown blue and white?

this website is useless !


What are the live and neutral wires in a ceiling light?

Black is hot and white is neutral.


Can you replace wall light switch with a PIR switch if Wall switch has usual live neutral and earth but PIR has live in live out and neutral.?

An ordinary light switch does NOT have any neutral -- it only switches the live wire. Some installers use the white wire as a "switched" wire to the light fixture, where the power cable went to the light and a separate cable went to the switch. Technically, the white wire should have been marked with red or black tape at each end, to signify it is not neutral - it is either live or off. In that case, you would not be able to use a PIR switch because there is no neutral, which is necessary to provide power to the electronic circuit in the PIR. You would need to rewire the switch with a new power cable from the branch circuit. The you have the live and neutral wires in the outlet box, connect them to the PIR, and run the pigtailed neutral and the switched live (and pigtailed ground) to the light fixture (where you would disconnect the other power cable completely and cap the ends separately).


What different races live in Jamaica?

Black,Hispanic,West Indian, and Ladino-European+ Native American


In house wiring can the white wire have some current too?

Yes. The white wire (the "neutral") is the "return" for the hot. Recall that electric current had to "get to where it is used" and then has to "get back" to the outlet. (A complete circuit is necessary.) You need the black wire (the "hot" wire) to carry the current out and the white wire to carry the current back, and the currents should be equal. You don't want any current returning on the ground wire or "leaking to ground" from anywhere in the circuit. Another way to look at this is that the black and white wires form "rails" for the voltage. Anything hooked up is connected "across" the rails. It's connected from the black to the white - from one rail to the other. All the appliances in the house are connected in parallel across the black and white, or in parallel across those voltage rails. (That's why all appliances operate on the same voltage and why if one fails, it doesn't affect any of the others.)

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Which wires are the live neutral and earth on a Chinese cable where the colours are brown blue and white?

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This could be a USA-coded cable. If so then black is Live, white is Neutraland green is Earth.No, this cable cannot be used in the UK.In the UK:Protective earth (PE or E) - Green with Yellow stripes (in older wiring just Green) Neutral (N) - Blue [in pre-2004 fixed wiring Black]Live or Line (if single phase) L - Brown [in pre-2004 fixed wiring Red]Lives or Lines (if 3 phase)L1 - Brown, L2 - Black, L3 - Grey[in pre-2004 fixed wiring: L1 - Red, L2 - Yellow, L3 - Blue]Where the pre-2004 and post-2004 colours are both in use, take greatcare to ensure that all conductors are correctly identified.


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