Incoming and outgoing cables I mean.
Obviously for devices in a CU with a busbar, there is little choice, but if free from that constraint, is there any reason to prefer the incoming live conductors to go into the top, or the bottom of switches, MCBs, RCDs etc?
Obviously for devices in a CU with a busbar, there is little choice, but if free from that constraint, is there any reason to prefer the incoming live conductors to go into the top, or the bottom of switches, MCBs, RCDs etc?