Backup Power Options

Backup power systems can be configured as partial-home backup for selected critical circuits or whole-home backup for all circuits. Key considerations include battery capacity, inverter sizing, load shedding, circuit labeling, and compliance with NEC codes 702, 705, 230, and 225.

Code Reference (NEC)

• NEC 702 – Optional Standby Systems
• NEC 705 – Interaction with distributed generation
• NEC 230 / 225 – Service vs feeder distinctions

Partial-Home Backup

• Only selected circuits backed up
• Longer runtime for critical loads
• Common for retrofits or limited battery capacity

Whole-Home Backup

• All circuits backed up
• Requires sufficient battery and inverter capacity
• Load shedding handled dynamically by Kora

Installer Responsibility

• Verify inverter output limits to avoid oversizing critical circuits
• Clearly label backed-up circuits
• Confirm startup surge compatibility
• Test outage behavior during commissioning