2007-05-10 19:54:14 · 6 answers · asked by BIG G 2 in Science & Mathematics ➔ Physics
The switch is fitted in the live wire so that no power will flow through the device if it is accidentally grounded or someone touches the lamp shell etc. The neutral wire, although it carries current, should be at or near ground when the device is off.
2007-05-10 19:58:30 · answer #1 · answered by Mike1942f 7 · 1⤊ 0⤋
If using a single pole switch this will always be fitted to the live as if fitted to the neutral, an appliance would be left live when not in use.
For the last ten years 13A sockets and fused connection units have been fitted with double pole switches. Besides being safer, double pole switches are very useful in fault finding as a neutral-earth leak, which will cause a Residual Current Device to trip, is isolated.
2007-05-11 03:01:51 · answer #2 · answered by Clive 6 · 1⤊ 0⤋
like you avatar, it will still work on the neutral wire but put it on the live. The live wire can be in black on return, or the new colours , brown and blue. one problem with a permanately live light is when you get a leak your light will turn on!
2007-05-11 03:07:07 · answer #3 · answered by j_emmans 6 · 0⤊ 1⤋
the switch on a socket or light switch
is live switcched ie single pole
a double pole socket/switch
is neutral and live switched
hope that helped
2007-05-11 03:21:33 · answer #4 · answered by S Csparky 6 · 0⤊ 0⤋
The supply (Live)
2007-05-11 02:58:05 · answer #5 · answered by PollyPocket 4 · 0⤊ 0⤋
LIVE ... BROWN ( or red) wire in UK
2007-05-11 03:25:32 · answer #6 · answered by SPARKFISH 4 · 0⤊ 0⤋