东方日升新能源股份有限公司
PV module installation and
maintenance manual
RISEN ENERGY CO.,LTD.
主导部门：组件研发中心
Page：NO.37 ,Total 41
Fig. 11.1 M4 Bolt grounding
Fig.11.2 ST4.2 tapping screws grounding
In addition to use the grounding hole, you can also choose the following grounding ways:
Grounding by unused mounting holes
Other professional grounding devices
No matter which grounding method is adopted, all conductive connections to the
frame of PV module frame should penetrate the insulation layer to ensure the
reliability of grounding. Risen modules can be grounded by other grounding
devices, which must be reliable and certified. The manufacturer's requirements
