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| I am just trying to think of this logically as all my lights/lamps only have two prongs and so can be plugged in either way so I don't believe that there will be a problem switching the blue and brown. But with the 3 prong plugs i am not sure. If you face the plug, ie prongs facing you and the green one down, does the blue go on the left and the brown on the right? or is it the other way around. | |
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2 prongs are a bit different as this rule doesn't apply since they can be reversed. Most metal base lamps should be either grounded or double insulated to prevent this from becoming an issue, but the older items (over 25 yo) this rule never applied.
You should see a small N or L (L=live, line)