In a post above, it was said that wires going from a panel to a subpanel had
to be either cable or in conduit?
Does that apply if the wires are behind paneled walls (both boxes are
recessed) the whole way? If so, a specific code reference would be greatly
Mine are connected with 4 wires; no cable, no conduit. I can't see why that
is unsafe, as they are well protected by the walls; but want to comply with