"harryagain" wrote in message
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"Kevin" wrote in message
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I see that many suppliers now offer both SP and DP versions of switched
sockets, with DP up to 50% dearer for a given make.

What governs which version one should use?

I think we are just in a transition period.
Before long they'll all be double pole switched.

Your clock is FIVE HOURS out, surely even you can fix that ?