A 208/120-volt, 3-ph, 4-wire panelboard will be fed with one conduit. This service panel contains a 200-Amp main breaker. The conductors supplying the service will consist of three 4/0 AWG ungrounded conductors (one for AØ, one for BØ, and one for CØ) plus a grounded conductor. The calculated neutral load is 90 amps. The smallest neutral that can be run is a ___ AWG.
Select one:
a.4
b.8
c.3
d.6
e.2
