HomeMatic HM-TC-IT-WM-W-EU Bedienungsanleitung Seite 56

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Incorrect installation can put
• your own life at risk;
• and the lives of other users of the electrical system.
Incorrect installation also means that you are running the
risk of serious damage to property, e.g. because of a fire.
You may be personally liable in the event of injuries or
damage to property.
Contact an electrical installer!
(*1) Specialist knowledge required for installation:
The following specialist knowledge is particularly important
during installation:
• The ‚5 safety rules' to be used: Disconnect from mains;
Safeguard from switching on again; Check that system
is deenergised; Earth and short circuit; Cover or cordon
off neighbouring live parts;
• Select suitable tool, measuring equipment and, if neces-
sary, personal safety equipment;
• Evaluation of measuring results;
• Selection of electrical installation material for safeguard-
ing shut-off conditions;
• IP protection types;
• Installation of electrical installation material;
• Type of supply network (TN system, IT system, TT sys-
tem) and the resulting connecting conditions (classical
zero balancing, protective earthing, required additional
measures etc.).
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