Generac T1 & T0 new extra wire.

[LarryFine]

I remember a common neutral allowance for festoon lighting.

 

[tortuga]

common neutral in feeders is still in 215.4, just for some reason a branch circuit or class 1 control circuit cant share with the feeder neutral.

 

[tortuga]

Edit scratch all that, since the code is permissive there would need to be a prohibition of sharing neutrals.