3/0 Wire stripper/cutter?

[Tractor Seabee]

One post mentioned under sizing the neutral on AC systems. That is only allowed when there are significant 240 volt circuits w/o neutral. Normally only seen in commercial/industrial systems.

Ron

 

[aczlan]

One post mentioned under sizing the neutral on AC systems. That is only allowed when there are significant 240 volt circuits w/o neutral. Normally only seen in commercial/industrial systems.

Ron

Incorrect. If you have two 15 amp 120 volt loads (one on each side) on a 240 volt feed, they will balance out and no current will go down the neutral. Your connection up to the pole will usually have a smaller neutral wire than the two hot wires because of that.

Aaron Z

 

[Tractor Seabee]

That is true if both legs are drawing the same amperage at the same time. If one leg is drawing 15 A and the other is 0 A then neutral will be at 15 A also. No inspector of a residential system would allow a smaller neutral on an individual circuit. Common neutral circuits are a thing of the past. Electronic devices do not like them due to the unbalanced neutrals. Under sized neutrals only apply to panel feeders and service entrances. A panel with all 240 volt (no neutral) circuits does not even need to have the neutral conductor or terminal strip.

Ron