So, I was thinking about installing an extra light-switch for my living room because the current switch is in an awkward place, and a 2nd would be nice.
Simple you'd think. Well, in theory, yes. Just install another switch and run a 3 between the old and new switch, and swap a couple of wires around
Well, the government, in their infinite wisdom (or specifically Brussles) have decided that the existing wiring colors weren't good enough, and needed to be changed.
My current home is wired with the old colors:
Neutral: Black
Live: Red (or in 3 wire systems - see circuit above: red, blue and yellow)
Perfectly sensible colors.
Unfortunately, any work I do in the future must be done in 'new' colors:
Neutral: Blue
Live: Brown (or in 3 wire systems: brown, black and gray)
Apart from the low contrast between the 3 live colors - it's not too bad. But when the 2 systems are mixed, then there is the prospect for all hell to break loose. If you haven't already noticed - black and blue have swapped roles. Black was previously neutral, and is now live. Blue was previously live and is now neutral.
Genius.
Simple you'd think. Well, in theory, yes. Just install another switch and run a 3 between the old and new switch, and swap a couple of wires around
Well, the government, in their infinite wisdom (or specifically Brussles) have decided that the existing wiring colors weren't good enough, and needed to be changed.
My current home is wired with the old colors:
Neutral: Black
Live: Red (or in 3 wire systems - see circuit above: red, blue and yellow)
Perfectly sensible colors.
Unfortunately, any work I do in the future must be done in 'new' colors:
Neutral: Blue
Live: Brown (or in 3 wire systems: brown, black and gray)
Apart from the low contrast between the 3 live colors - it's not too bad. But when the 2 systems are mixed, then there is the prospect for all hell to break loose. If you haven't already noticed - black and blue have swapped roles. Black was previously neutral, and is now live. Blue was previously live and is now neutral.
Genius.