When adding receptacles to a three phase four wire distribution system, rather than allowing multiple neutrals, Revit keeps recalculating the unbalanced load and increasing the size of a common neutral. In Canada (or Ontario, at least), this is not allowed in receptacle circuits. Six receptacle circuits will require 6 phase conductors and 2 neutrals, each sized to share the unbalanced load of three circuits.
Can this recalculation feature be turned off, and a simple counting mechanism instituted? There are also times when a dedicated, unshared neutral (identified conductor) is required. But when using the automated circuiting feature of Revit, I cannot find a way to adjust or override this. Is there a setting or parameter somewhere that I need to adjust?
Thanks very much!
i know this is from a while back. hopefully it benefits others.
double neutrals are relatively rare in my circuiting . so when i need it i duplicate a wire type and cap the max wire size to the relevant wire size just for that double neutral wire size.
most of my double neutral circuits are #12's or number #10's for sensitive lab devices. so i just have those two size caps and i name the wire type for it. e.g. "double neutral #10". that way the revit wire size parameter will be forced to report multiple wires of the size necessary for the neutrals.