D Diver300 Well-Known Member Most Helpful Member Apr 12, 2011 #21 jgeesen said: I intend on only having 12vdc leaving the high voltage box. Click to expand... The problem is that if there is a disconnected neutral line, or some other failure, the line that you thought was at 12 V is suddenly at 277 V........ That is why isolating transformers are used. I don't know whether those LED drivers on eBay would be isolated or not.
jgeesen said: I intend on only having 12vdc leaving the high voltage box. Click to expand... The problem is that if there is a disconnected neutral line, or some other failure, the line that you thought was at 12 V is suddenly at 277 V........ That is why isolating transformers are used. I don't know whether those LED drivers on eBay would be isolated or not.