And most home applications are in that lower-power category. You'll still need 120VAC and 220VAC but only on particular, dedicated circuits. Like maybe one or t

And most home applications are in that lower-power category. You'll still need 120VAC and 220VAC but only on particular, dedicated circuits. Like maybe one or two per room. Other outlets and lighting would work fine at 48VDC on 12 gauge Romex because 20A is more than sufficient for the majority of loads.