On 01/04/2013 16:50, ARW wrote:
harry wrote:


Turn off power, remove socket and separate out the wires.
Turn power on, check out which wires are live, they are the ring the
other (dead one) is the spur.

So only Dave Liquorice and myself wants to do the job properly and work on a
dead supply:-)?

Easy and safer to do than a live test.


Don't always agree with Harry; OP may not have a tone generator but
probably has a volt stick, meter, or horror neon screwdriver.

If done with a bit of care, the check described above is pretty quick,
safe, and reliable.