COBBLERS!, electricians 'GUIDE' to bldg regs. not requirement! 1mm2 rated at 11A on 5A fuse fine, IET make the regs. for wiring, everyone else puts their own ideas forward.
Have you tried buying 1.5 3core/E?, why do they make 1mm2 twin brown switch drop cable?
It's up to the qualified sparkie's sums to ensure no excessive volt drop,etc. Be ready to 'fight your corner' against the growing army of 'experts' who don't have a clue about the subject!
sorry didn't mean to shout but niceic etc pee me off!!
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