Reliable grounding is mandatory; grounding resistance should be less than 10Ω to prevent electric shock.
The JT300 Series User Manual includes detailed wiring diagrams and technical specifications for models like the JT300-T3-011B. Jte Inverter Manual Pdf
After cutting power, wait at least 5 minutes before touching internal components to allow the main circuit DC voltage to drop to a safe level. Reliable grounding is mandatory
