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Wiring replacement pull cord switch
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<blockquote data-quote="Doc Hudson" data-source="post: 438300" data-attributes="member: 1607"><p>Just a small observation on this whole debate, I don't think the risk is anything to do with future electricians doing any work, as you rightly point out, they should be competent and have enough noggin to suss out what functions all of the conductors are doing by looking at terminations or testing as needed. It is the DIY or untrained person who would potentially be at risk or confused. The proof of which is in the original question that started the whole topic off in the first place. From the original post:</p><p></p><p></p><p></p><p></p><p>The quite natural assumption was that the green and yellow conductor even with a brown sleeve was an earth wire. Personally I am not a fan of oversleeving a blue conductor in a light switch either, as we still get DIY questions where people naturally assume blue is a neutral not a switched live. It is all to easy for these sleeves to fall off when DIY accessory replacement is going on. Far better wherever possible to use twin brown or 4 core conductors for these sort of applications. Even with standard twin &amp; earth at normal sockets and lights I have seen enough reverse polarity DIY wiring over the years. Keep things simple with correct colours will always help reduce this confusion. (and don't even mention central heating wiring with Blues, Yellows, Blacks, Greys, Green/Yellows all doing live functions!)</p><p></p><p>Doc H. </p></blockquote><p></p>
[QUOTE="Doc Hudson, post: 438300, member: 1607"] Just a small observation on this whole debate, I don't think the risk is anything to do with future electricians doing any work, as you rightly point out, they should be competent and have enough noggin to suss out what functions all of the conductors are doing by looking at terminations or testing as needed. It is the DIY or untrained person who would potentially be at risk or confused. The proof of which is in the original question that started the whole topic off in the first place. From the original post: The quite natural assumption was that the green and yellow conductor even with a brown sleeve was an earth wire. Personally I am not a fan of oversleeving a blue conductor in a light switch either, as we still get DIY questions where people naturally assume blue is a neutral not a switched live. It is all to easy for these sleeves to fall off when DIY accessory replacement is going on. Far better wherever possible to use twin brown or 4 core conductors for these sort of applications. Even with standard twin & earth at normal sockets and lights I have seen enough reverse polarity DIY wiring over the years. Keep things simple with correct colours will always help reduce this confusion. (and don't even mention central heating wiring with Blues, Yellows, Blacks, Greys, Green/Yellows all doing live functions!) Doc H. [/QUOTE]
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Wiring replacement pull cord switch
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