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A screw size of M4 or greater;
A star washer under the screw head or a serrated screw must penetrate nonconductive
coatings like anodized frame;
Screw and star washer has to be made of stainless steel;
Grounding screw has to go through all the connecting elements and protrude outside by two
threads.
Devices listed and identified for grounding metallic frames of PV modules are permitted to ground
the exposed metallic frames of the module to grounded mounting structures.
In any case the grounding screws or other parts have to be used separately from mounting parts of
the module.
Grounding resistance of grounding structure shall be reached according to local regulations,
Eurocodes or other legal normative references.
4.5.2 SOLID Pro and bifacial series grounding
Due to that SoliTek SOLID Pro and Bifacial modules are frameless, no module grounding is required.
Other PV plant equipment should be grounded according to the local and national electrical codes.
4.6 Connectors
Connectors for SoliTek PV panels are MC4 compatible. Keep MC4 compatible connectors dry and
clean, and ensure that connector caps are hand tight before connecting the modules. Do not attempt
making an electrical connection with wet, soiled, or otherwise faulty connectors. Avoid sunlight
exposure and water immersion of the connectors. Avoid connectors resting on the ground or roof
surface. Do not disconnect under load. Faulty connections can result in arcs and electrical shock.
Check that all electrical connections are securely fastened. Make sure that all locking connectors are
fully engaged and locked.
4.7 Bypass diodes
The PV module’s junction box contains 3 bypass diodes (one in each part of split junction box;
Schottky type) connected in parallel with the PV cell strings. In the case of partial shading (hot-spot
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