JinkoSolar JKM M-72 Series Installation Manual page 25

with local and national electrical codes. Attach the equipment grounding conductor
to the module frame using the hole and hardware provided. Not that a stainless
steel star washer is used between the ground wire and module frame (see picture
below).This washer is used to avoid corrosion due to dissimilar metals. Tighten the
screw securely.
f) Follow the requirements of applicable local and national electrical codes.
g) These modules contain factory installed bypass diode .if these modules are
incorrectly connected to each other, the bypass diodes, cable or junction box may
be damaged.
h) The cable of the junction box is defined as L, as showed below. For Jinko standard
module, L is 900/1200mm; and for customized module, L can be based on your
condition. Please take the cable length into consideration before designing the
wiring layout.
Figure 8: The graph of Grounding
Figure 9: Junction box
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