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Out of interest, how does this apply to 12v garden lights supplied via a transformer? Is the difference that a typical garden light transformer can only supply 12v at, say, 220 VA which would be protected by the RCD at the power box whereas a car battery for example could have a much higher unprotected CCA? Or is it a case of interacting standards where any 12 volt garden supply needs to be supplied through an isolating transformer complying with a different standard?
Last edited by rrussell1962; 01-12-2016 at 03:07 PM.
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