The Five Safety Rules For Electrical Work - Siemens VersiCharge Operating Instructions Manual

2.4

The five safety rules for electrical work

The European standard EN 50110-1 "Operation of electrical installations" prescribes safety
rules for electrical work on and in electrical installations. To ensure the safety of persons and
property in accordance with the standards, always comply with the following safety rules.
Securing an electrical system before starting work
Before starting work on and in electrical installations, apply the following five safety rules:
1. Disconnect
2. Secure against reclosing
3. Ensure there is no voltage present
4. Ground and short-circuit
5. Cover or shield adjacent live parts
Prepare to switch on again after work is finished
After finishing and checking the work, prepare the restart as follows:
• Inform persons no longer required that the work is completed and no further work is
permitted.
• Withdraw persons no longer required
• Remove all tools, equipment and aids used
Switch on the electrical system again
After finishing the work, remove the protective measures and switch the system on again:
1. Remove short-circuit
2. Remove grounding
3. Remove covers or barriers
4. Remove fuse to prevent restart
5. Switch the system back on
VersiCharge AC Wallbox IEC
Operating Instructions, 03/2021, A5E50366109-AA
2.4 The five safety rules for electrical work
Safety information
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