Quote:
Originally Posted by SAD
you are correct that the neutral generally carries the delta....
however, the neutral wire must be the same size as either hot leg wire... (or more correctly, capable of carrying the breakers rated load)
In the event that no load is on L1, and L2 is fully utilized, the neutral has the potential to carry 50 amps.
To wire it any other way is wrong. |
That is correct. Neutral is a current carrying leg and has to be the same size as the hots. I've seen a lot of shore power problems at marinas where the neutrals to the pedestals were wire with undersized wire and they will definitely burn up under load..