From the (E)Mailbag:
NEC SAYS YOU CANT' 'PARALLEL CONDUCTORS UNDER 1/0. I HAVE WORKED ON TWO
SCHOOLS AND BOTH PROJECTS HAVE PARALLEL NEUTRAL CONDUCTORS UNDER 1/0. CAN YOU
EXPLAIN THIS? THE BLUE PRINTS ARE ENGINEERED TO USE 200% NEUTRALS FOR PANELS
FEEDING COMPUTERS.
THANKS!