In article .com,
chrisc wrote:
Live has a single red plus the yellow
Neutral has both the blue and a black.

Am I right in thinking that the black may be a switch cable. Any help
would be appreciated.

Standard two way switching diagram.



L1 L1
0===========0 0===========0============= Line
| \ / |
C 0================================O C
\ / \ /
0===========0 0===========0============= Switch return
L2 Optional L2
Intermediate

--
*Some days we are the flies; some days we are the windscreen.*

Dave Plowman London SW
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