I'm trying to connect up an external light in a new house where they left the cable hanging outside for me. It's 3 core and earth. Do I connect the yellow and blue wires both into the live and then the red to neutral and earth to earth? I'm sure this is simple but couldn't find an answer anywhere. Thanks
External light - 3 core and earth
- Thread starter Malice
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B
breezer
it really depends on how who ever put it in wired it.
I would guess Red = live
Blue = Neutral
and of course earth is earth
why not look at the other end / switch and see what is there
I would guess Red = live
Blue = Neutral
and of course earth is earth
why not look at the other end / switch and see what is there
Thanks Breezer. I actually found this
"As with all wiring, use green and yellow sleeving around bare earth conductors. As with all wiring, put a ring of red tape around exposed cable cores which are not red, but are nevertheless live: yellow and blue cores of triple and earth cable, and black cores of twin and earth switch feeds."
from http://www.borpin.freeserve.co.uk/sbfaq/faq4119.htm
So I assume that the yellow and blue are live and the red is neutral. seems strange
"As with all wiring, use green and yellow sleeving around bare earth conductors. As with all wiring, put a ring of red tape around exposed cable cores which are not red, but are nevertheless live: yellow and blue cores of triple and earth cable, and black cores of twin and earth switch feeds."
from http://www.borpin.freeserve.co.uk/sbfaq/faq4119.htm
So I assume that the yellow and blue are live and the red is neutral. seems strange
B
breezer
sorry i must be missing something, i do not see how you figure from that that red is Neutral, it is only saying that if it is not red and it is either live or switched live you should mark it with red tape to indicate it IS LIVE (or switched live)
you only put red tape on a black wire when using twin and earth and the black is a switched live.
so that means red is Live, and the other colours could be swithed lives, i still favour red being live and blue being neutral
you only put red tape on a black wire when using twin and earth and the black is a switched live.
so that means red is Live, and the other colours could be swithed lives, i still favour red being live and blue being neutral
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Or use a meter to test it.
A METER, BTW, BEING A TOOL SO ESSENTIAL THAT IF YOU DO NOT HAVE ONE THEN YOU SHOULD NOT BE DOING ANYTHING WITH ELECTRICITY EXCEPT USING IT. NO, NOT EVEN CHANGING A PLUG.
A METER, BTW, BEING A TOOL SO ESSENTIAL THAT IF YOU DO NOT HAVE ONE THEN YOU SHOULD NOT BE DOING ANYTHING WITH ELECTRICITY EXCEPT USING IT. NO, NOT EVEN CHANGING A PLUG.
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