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*) Technical knowledge required to perform the in-
stallation:
For the installation, the following specialist knowledge is
required in particular:
The “Five safety rules”: Disconnect from the mains;
protect against accidental switch-on; ensure there is
no voltage; earth and short-circuit; cover or protect
neighbouring live parts.
Use suitable tools, measuring devices and personal
protective equipment, where necessary.
Analyse measurement results.
Use electrical installation materials to ensure the
turn-off criteria.
IP protection ratings
Install electrical installation materials
Type of power supply (TN system, IT system, TT sys
-
tem) and the corresponding connection criteria (clas-
sic earthing, protective earthing, necessary additional
measures etc.)
If you are not a professional, do not do it yourself,
have it performed by a specialist.