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Bathroom light switch question
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<blockquote data-quote="Doc Hudson" data-source="post: 448776" data-attributes="member: 1607"><p>There is no Neutral 'N' required at a switch, just a live in, and a switched live out to the load. I would have thought the Red &amp; Black from the twin &amp; earth grey cable would have been the standard switch cable for the light fitting and the single red would have been a switch live to trigger the fan (when it originally worked). So the Red (of the twin cable) would be into one side of the switch {possible called 'C' or 'L1'} and the Black (of the twin cable) into the other side of the switch {possibly called 'L1' or 'L2'}. Also the single Red cable would be in the same terminal as the black. If I understand that when you say its not working now you mean the light is not working that would definitely point to the black being the switched live out. Confusion can arise because light switches can be labeled in different ways depending upon the manufacturer. and if it is a one way or two way switch.</p><p></p><p>Some call them 'C','L1','L2' others called 'L1','L2','L3'.</p><p></p><p>supply in 'C' / 'L1' </p><p></p><p>one way out 'L1' / 'L2'</p><p></p><p>two way out 'L2' / 'L3'</p><p></p><p>Actually just re-read your post, you mention 'Load N'? That sounds more like a double pole shower switch than a light switch?</p><p></p><p>Doc H.</p></blockquote><p></p>
[QUOTE="Doc Hudson, post: 448776, member: 1607"] There is no Neutral 'N' required at a switch, just a live in, and a switched live out to the load. I would have thought the Red & Black from the twin & earth grey cable would have been the standard switch cable for the light fitting and the single red would have been a switch live to trigger the fan (when it originally worked). So the Red (of the twin cable) would be into one side of the switch {possible called 'C' or 'L1'} and the Black (of the twin cable) into the other side of the switch {possibly called 'L1' or 'L2'}. Also the single Red cable would be in the same terminal as the black. If I understand that when you say its not working now you mean the light is not working that would definitely point to the black being the switched live out. Confusion can arise because light switches can be labeled in different ways depending upon the manufacturer. and if it is a one way or two way switch. Some call them 'C','L1','L2' others called 'L1','L2','L3'. supply in 'C' / 'L1' one way out 'L1' / 'L2' two way out 'L2' / 'L3' Actually just re-read your post, you mention 'Load N'? That sounds more like a double pole shower switch than a light switch? Doc H. [/QUOTE]
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