Safety instructions
2.2 The five safety rules for electrical work
SICHARGE D
Operating Instructions, 02/2021, 8EM5907-0AA00-1AA7.01
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2.2
The five safety rules for electrical work
The European standard EN 50110-1 "Dead working" prescribes safety rules for working in and
on electrical systems. 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 at electric distributor
2.
Secure against reconnection at electric distributor
3.
Ensure that electric distributor is de-energized
4.
Ground and short-circuit at the electric distributor
5.
Erect barriers around or cover 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 who are no longer required.
•
Remove all tools, equipment and aids that have been used.
Switch on the electrical system again
After finishing the work, rescind the protective measures and switch the system on again:
1.
Remove the short-circuit.
2.
Remove the grounding.
3.
Remove covers or barriers.
4.
Remove the fuse to prevent the system from being switched on again.
5.
Reconnect the system to the power supply.
