Double powerpoint with light switch wiring 2. Even though they're in the same 'gang' - the plate that you mount on the wall - refer to point 1. The light switch is completely separate and could be (but out of your preference isn't) elsewhere on the wall. 3. GPOs are easy - 3 wires, no problem. 4. If you don't understand the light switch, get a multimeter and play around with it.
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