Advanced Summation of Supplies
Battery operating modes, three-phase commercial boards and the jumper cables nobody checks. The advanced follow-up to Introduction to Summation of Supplies, with real switchboards worked through the four-step process.

Battery operating modes, three-phase commercial boards and the jumper cables nobody checks. The advanced follow-up to Introduction to Summation of Supplies, with real switchboards worked through the four-step process.

A 2013 system, no documentation, one service in ten years. Follow a licensed inspector through a complete safety and compliance inspection of an older solar installation.

Walk up to a system with no paperwork and know roughly when it was installed, what rules applied, and what that means for the job in front of you — from the clues on the roof and in the switchboard.

One of the most important decisions on a battery job happens before you touch a cable: where it goes. Learn the exclusion zones, clearances and barrier rules of AS/NZS 5139 so every location passes.

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