Panel radiator with Fused switch next to it. The current switch has ENL connections, each with 2 wires feeding in. There is also a much narrower gauge grey wire connector.
My new timer switch has SUPPLY E & N and LOAD E & N, together with 2 earth's (6 connectors).
How do I know which live and which neutral go into which hole and what is the grey wire all about? I assume it doesn't matter which of my 2 earths go into which E hole?
I'll add images shortly as soon as I've reduced file size.
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