Safety information
2.2 General safety instructions
Automation system
System Manual, 01/2023, A5E03461182-AK
21
2.2.8 Safe working
2.2.8.1 Working on electrical parts
• Only work on electrical parts if you are a qualified specialist (see section Target group and
personnel qualifications (Page 19)).
• Always observe the country-specific safety rules.
• Notify all those who will be affected by the procedure.
• Observe the five safety rules:
1. Disconnect
2. Secure to prevent reconnection
3. Verify safe isolation from all poles of the voltage
4. Ground and short-circuit
5. Erect barriers around or cover adjacent live parts
After completing work:
• Restore operational readiness in reverse order.
2.2.9 Residual risks
Despite all the technical and procedural risk reductions that have been carried out, not all
dangers can be avoided.
The following sections describe these residual risks and measures to avoid them.
2.2.9.1 Live parts
Electrocution on contact with live parts leads to life-threatening injuries (death).
Operation
• Do not open the device.
• Never use damaged devices.
• Pull the plug and not the cable.
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