The correct statement regarding a Y-Y source/load configuration

The correct statement regarding a Y-Y source/load configuration

1. Line current and the load current are in phase and both are out of phase with the phase current
2. Phase current and the line current are in phase and both are 120° out of phase with the load current
3. Phase current, the line current and the load current are 120° out of phase
4. Phase current, the line current and the load current are all equal in each phase

Correct answer: 4. Phase current, the line current and the load current are all equal in each phase