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The installation, electrical connection, commissioning, maintenance, and
troubleshooting must be carried out by professional electrical technicians
conforming to local codes. Before performing operations, operators should have
read this manual completely and mastered the safety issues related to the
operation.
2.2 Ground Fault Protection
If a ground fault occurs in the PV system, some parts that are supposedly voltage-
free may carry lethal voltage. Accidental touch may cause serious damage. Make
sure there is no system ground fault before performing operation and take proper
protective measures.
2.3 Live Line Measurement
Before electrical connection, please ensure that the substation and electrical
equipment inside it are intact and hazard-free. All electrical connections must meet
electrical standards of local country/region.
High voltages are present inside the device. Death can result from burning and
electric shock due to touching the live components of the MV Station. During live
line measurement,
• use suitable protective equipment, for example, dielectric gloves.
• accompanied by other persons.
2.4 Measuring Instrument
The instrument for measuring the electrical parameters should meet the following
requirements:
System Manual 2 Safety Instructions
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