Table of contents
- Backfeed and worker safety
- Fire risks
- Anti-islanding
- Certifications that matter
- When to call an electrician
Plug-in solar can be safe when the equipment is right and the installation respects the rules. It can also start fires or endanger utility workers. Here's how to stay on the safe side.
Backfeed and worker safety
If your kit keeps energizing the grid during an outage, lineworkers can get hurt. Anti-islanding inverters prevent this — verify your equipment has it.
Fire risks
Daisy-chained extension cords, undersized wire, and uncertified inverters are the main culprits. Use outdoor-rated, properly sized cables only.
Anti-islanding
The inverter must detect grid loss and shut down within fractions of a second. UL 1741 covers this.
Certifications that matter
UL/ETL listing on panels and inverters. Without them, your insurer and AHJ have grounds to deny coverage or block install.
When to call an electrician
Any 240V tie-in, dedicated circuits, or panel changes warrant a licensed electrician. So does any doubt.
Frequently asked questions
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