>screw in a standard bulb - what happens when it sees 48V DC? Either it lights up or not? I don't see a problem here. But I'm not sure moving part of power su

>screw in a standard bulb - what happens when it sees 48V DC? Either it lights up or not? I don't see a problem here. But I'm not sure moving part of power supply elsewhere will help that much, it needs current driver electronics anyway.