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Wiring a new dimmer
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<blockquote data-quote="Doc Hudson" data-source="post: 495208" data-attributes="member: 1607"><p>Not much more to add really. Other than to explain that a light switch itself only needs a permanent Live supply from the fuse-box, then a Switched-Live to the lamp. It is the lamp that requires the Neutral not a basic standard switch. So it is not uncommon to find many UK light switches do not have any Neutral wires at all. Depending upon who designed the original lighting wiring the Neutral may be looped at the switch, but it may not. Its pretty much a 50/50 chance if your switch has a neutral or not. Which is where problems can arise when trying to install some of these modern remote-controlled switches. (The other issue if there had been a neutral, could have been if its dimmer aspect is compatible with some of the modern low-energy LED lamps). Your existing switch is just a lot of Lives &amp; Switched-lives, and it is 2-way because somewhere there is another switch operating the same light(s). </p><p></p><p>Doc H. </p></blockquote><p></p>
[QUOTE="Doc Hudson, post: 495208, member: 1607"] Not much more to add really. Other than to explain that a light switch itself only needs a permanent Live supply from the fuse-box, then a Switched-Live to the lamp. It is the lamp that requires the Neutral not a basic standard switch. So it is not uncommon to find many UK light switches do not have any Neutral wires at all. Depending upon who designed the original lighting wiring the Neutral may be looped at the switch, but it may not. Its pretty much a 50/50 chance if your switch has a neutral or not. Which is where problems can arise when trying to install some of these modern remote-controlled switches. (The other issue if there had been a neutral, could have been if its dimmer aspect is compatible with some of the modern low-energy LED lamps). Your existing switch is just a lot of Lives & Switched-lives, and it is 2-way because somewhere there is another switch operating the same light(s). Doc H. [/QUOTE]
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