The EI Inverter – Power Connections
EI Residential Solar Solution US Installation Manual | www.tigoenergy.com | Help Center 15
Wiring
Prepare ferruled conductors using copper, non-fine-stranded wire:
• Enclosure grounding: 10 – 8 AWG
• AC (grid or ATS): 8 – 6 AWG
• DC (PV): 12 – 8 AWG
• DC (battery): 12 – 8 AWG
Always calculate conductor AWG based on wire length and current load
.