Fortunately to date none of the fires.
Earth fault on solar panels.
Often the process of finding ground faults may take many hours.
The national electrical code nec requires bonding electrically conductive materials and equipment to establish an effective ground fault current path.
In general bonding a piece of equipment means connecting it to an equipment grounding conductor egc that is bonded to the overall grounding electrode system.
This includes locking out any disconnects and enclosures to prevent someone from mistakenly flipping breakers or reconnecting inverters.
After their installation there is not much left for you to do as opposed to common appliances you won t be experiencing common malfunctions and such.
Troubleshooting ground faults is simple.
Just remember to use proper safety procedures and equipment when performing these tasks.
Dc isolators are not the only cause of earth faults but it seems clear that they re the main culprit.
This is only good news both for our wallets and mother earth as solar panels enable us to use the sun s heat and energy instead of relying on the grid.