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I'm arranging a washing machine cable to exit a bathroom, thru an interior brick wall, to a FCU on the far side. Outside zone 2. Is there a 'pass tru' wall plate available for the bathroom side, maybe with a single gang back box, to tidy it up. Rather than just having the washing machine cable...

Hi, Hope someone can help. I've been changing the faceplates in my bedroom and the double switch to our en suite has me stumped. It controls the light and the extractor fan however, the terminals are different. I tried wiring the brown wires to L1s (notice 1 brown wire has to parts exposed (is...