Leesparkykent
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Out of interest what's most commonly used?
Discuss 1mm or 1.5mm T&E for standard lighting circuit in your average house. in the Lighting Forum area at ElectriciansForums.net
Even if you halved 1mm's ccc (method C), it would still be 8A.1mm unless there is loads of Insulation surrounding my cables e.g. Celotex, Kingspan
1.5mm2 don't know what Shirley usedShirley (!) you use a cable suitable for the design, not 'cos of its physical size?
If it satisfies the design then using size as a consideration is legit Shirley ?Shirley (!) you use a cable suitable for the design, not 'cos of its physical size?
If it satisfies the design then using size as a consideration is legit Shirley ?
I use 1.0mm almost exclusively, and the reduced size helps considerably on most rewires. Never have a problem with design considerations.
Possibly ?Me thinks you misunderstood my post?
Even if you halved 1mm's ccc (method C), it would still be 8A.
Sure about that ?
I think 6A is the most onerous ref method in the OSG for 1.0mm
I'm misunderstanding yours now
You couldn't totally assume 1.0 is ok in all circumstances you could invent. Never mind volt drop for now, but if there are 20 circuits bunched in 50c ambient under insulation you'd have to do a bit of redesign.
Agree hence the caveat about"circumstances you could invent" as it's not realistic to encounter that!We are talking about an average house.
Reply to 1mm or 1.5mm T&E for standard lighting circuit in your average house. in the Lighting Forum area at ElectriciansForums.net
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