Requirements For The Electrician - ABB Welcome M2307 Online Manual

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ABB Welcome
6.1

Requirements for the electrician

Warning
Electric voltage!
Install the device only if you have the necessary qualifications.
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Incorrect installation endangers your life and that of the user of the electrical system.
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Incorrect installation can cause serious damage to property, such as a fire.
The minimum necessary expert knowledge and requirements for the
installation are as follows:
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Apply the "five safety rules" (DIN VDE 0105, EN 50110):
1. Disconnect the power;
2. Secure against being reconnected;
3. Ensure there is no voltage;
4. Connect to earth;
5. Cover or barricade adjacent live parts.
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Wear suitable personal protective clothing.
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Use only suitable tools and measuring devices.
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Check the type of supply network (TN system, IT system, TT system) to secure the following power supply
conditions (classic connection to ground, protective earthing, necessary additional measures, etc.).
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