The insulation on a pv source circuit wire becomes damaged and the current carrying part of the conductor makes contact with a frame or rail said brian mehalic pv curriculum developer and instructor at solar energy international.
Earthing solar panel frames.
A transformerless inverter is being used.
To remove the risk of electric shocks from your solar panels it s very important when your inverter is being replaced with a transformerless inverter to ensure your solar panel mounting system is earthed.
Components list of this solar pv earth ears.
One piece of henagon nut sus304.
2 put m5 threaded connector into rail holes.
The panels are in the immediate vicinity of a lightning conductor system i e.
1 drilling holes from aluminum rail frames m6 m8.
One piece of washer nut sus304.
Even if you seldom have electrical storms all it takes is one lightning strike or a single lose wire and all the.
One piece of wire bolts copper.
When installing a solar photo voltaic system pv it is extremely important all the equipment is grounded correctly.
However since solar panels are double isolated they need not always be earthed except under special circumstances.
Earting of the solar panels is necessary if.
Earthing is recomended if.
Large metal structures are being used for solar panels.
Now that metal which is not normally part of the circuit has potential voltage relative to.
Installation guide for solar panel earthing lugs.
Earth washer used with mid clamp to ensure the mounting rail earth extends to the frame of the solar panel.