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2.3.2 Fixation with clamps at long sides of frames
The applicable Products please refer to Table 2, and only allow using clamps at long
side of frames.
The module clamps should not come into contact with the front glass and must not
deform the frame. Be sure to avoid shadowing effects from the module clamps. The
module frame is not to be modified under any circumstances. When choosing this
type of clamp-mounting method, please be sure to use at least four clamps on each
module, two clamps should be attached on each long sides of the module. Depending
on the local wind and snow loads, if excessive pressure load is expected, additional
clamps or support would be required to ensure the module can bear the load. The
applied torque should be big enough to fix it steadily
（
about 8 Nm
）
, for safety, you
‟
d
better follow the clamps manufacture
‟
s recommendation. Please find detailed
mounting information in the below illustration, the mounting place distance is
suggested bigger than J and less than K
，
as shown below.
1) Normal PV module (at long side):
