User manual

disconnect, secure against switching
on again; ensure it is electrically dead; earth
and short circuit; cover or block off any
adjacent electrically live parts;
• Selection of suitable tools, measuring
equipment and, if applicable, personal
protective equipment;
• Evaluation of the results of the
measurements;
• Selection of the electrical installation
material to ensure the conditions for
switching off;
• IP types of protection;
• Installation of the electrical installation
material;
• Type of supply network (TN systems, IT
systems, TT systems) and the resulting
connection conditions (classical protective
earth, protective earthing, required