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5
Electrical Connection
5.1 Safety Instructions
The PV string will generate lethal high voltage when exposed to sunlight.
• Operators must wear proper personal protective equipment during electrical
connections.
• Must ensure that cables are voltage-free with a measuring instrument before
touching DC cables.
• Respect all safety instructions listed in relevant documents about PV strings.
• Before electrical connections, please make sure that the inverter switch and all
switches connected to the inverter are set to "OFF", otherwise electric shock
may occur!
• Ensure that the inverter is undamaged and all cables are voltage free before
performing electrical work.
• Do not close the AC circuit breaker until the electrical connection is complete.
Damage to the product caused by incorrect wiring is not covered by the warranty.
• Electrical connection must be performed by professionals.
• Operators must wear proper personal protective equipment during electrical
connections.
• All cables used in the PV generation system must be firmly attached, properly
insulated, and adequately dimensioned.
All electrical connections must comply with local and national / regional electrical
standards.
• Cables used by the user shall comply with the requirements of local laws and
regulations.
• Only with the permission of the national / regional grid department, the inverter
can be connected to the grid.
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