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Do-It-Yourself (DIY) Question & Answer Forum
Replacing Low Voltage Spotlights... Who's Right?
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<blockquote data-quote="Essex1" data-source="post: 399198" data-attributes="member: 25368"><p>Why would RCD protection be a 'good idea' but not required? BS7671 clearly stipulates when and where RCD protection is required and in no place does it say 'RCD protection is not required on a lighting circuit but it is a good idea'.</p><p></p><p>Does RCD protection make an installation automatically safer by default? Of course not. RCD protection is additional protection not the be all and end all of domestic electrical installation. Chances are some aspects of the lighting circuit will be in a wall less than 50mm from the surface and not in an earthed metallic containment system. So, I would say if the electrician alters the circuit then it would be required to install RCD protection on the lighting circuit.</p><p></p><p>Far too many electricians just choosing to install RCDs by default instead of actually seeing if they are actually required in my opinion.</p></blockquote><p></p>
[QUOTE="Essex1, post: 399198, member: 25368"] Why would RCD protection be a 'good idea' but not required? BS7671 clearly stipulates when and where RCD protection is required and in no place does it say 'RCD protection is not required on a lighting circuit but it is a good idea'. Does RCD protection make an installation automatically safer by default? Of course not. RCD protection is additional protection not the be all and end all of domestic electrical installation. Chances are some aspects of the lighting circuit will be in a wall less than 50mm from the surface and not in an earthed metallic containment system. So, I would say if the electrician alters the circuit then it would be required to install RCD protection on the lighting circuit. Far too many electricians just choosing to install RCDs by default instead of actually seeing if they are actually required in my opinion. [/QUOTE]
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Replacing Low Voltage Spotlights... Who's Right?
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