Did you mean that on a 208/120V 3-phase service that serves only Line-to-Line loads, if I got 100A on L1-L2, 100A on L1-L3, and 100A on L2-L3, I don't need to install grounded conductor on my service entrance down to service equipment neutral bus bar? And if I have 100A, 80A, 100A (meaning I...
In a 3-phase, 4-wire wye system, such as 208Y/120V system, the neutral conductor is often ground by the utility on the transformer side. It is also a common practice to size and install a grounded conductor from the service entrance connecting transformer's neutral to Main Panel's Neutral Bus...