This week alone, I’ve had over 30 phone calls from installers across the country with the same issue. It usually starts the same way: “Mate… I’ve got this multi-phase job and I’m hoping you can help me?” Sometimes they’re not even sure what they’re looking at yet. Is it split phase (480V)? Or two phases of a three-phase supply (415V)? “I haven’t tested it yet…” The system design usually goes one of two ways: One battery on one phase, or Two single-phase systems, one on each p