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by Hondor
3606 days ago
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Your example of mm is not true at all. There's no need for 3 significant figures for electrical wire size. Where I am, it's 2.5mm^2 for 10 A circuits, 1.0mm^2 for lighting, etc. The 2nd digit is always a 0 or a 5 so it's even simpler than it looks. |
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