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Then along came "European Harmonization" and everything changed. In your home "''red-black-green''" became "''brown-blue-green/yellow''" and it wasn't too bad. But in the three-phase world the primary (and easily identifiable) red-yellow-blue+black+green became "''brown-grey-black+blue+green/yellow''", which except for the striped earth don't look much different in the semi-dark. And yes, black was now a *live* wire, not neutral. | Then along came "European Harmonization" and everything changed. In your home "''red-black-green''" became "''brown-blue-green/yellow''" and it wasn't too bad. But in the three-phase world the primary (and easily identifiable) red-yellow-blue+black+green became "''brown-grey-black+blue+green/yellow''", which except for the striped earth don't look much different in the semi-dark. And yes, black was now a *live* wire, not neutral. | ||
And yea, electricians up and down the land of the Angles got most distraught. Especially when they were laying steel-wire-armoured (swa) cables. | |||
At the London Hackspace we have a mix of old and new cables, used for a mix of purposes, because we try to reuse everything to reduce expenditure. This means that you must always '''check''' what a wire is being used for and NOT trust the original colour. | At the London Hackspace we have a mix of old and new cables, used for a mix of purposes, because we try to reuse everything to reduce expenditure. This means that you must always '''check''' what a wire is being used for and NOT trust the original colour. | ||
