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Installation
- Check that system is deenergised;
- Earth and short circuit;
- Cover or cordon off neighbouring live parts;
•
Select suitable tool, measuring equipment and, if
necessary, personal safety equipment;
•
Evaluation of measuring results;
•
Selection of electrical installation material for safe-
guarding shut-off conditions; IP production classes;
•
Installation of electrical installation material;
•
Type of supply network (TN system, IT system, TT
system) and the resulting connecting conditions
(classical zero balancing, protective earthing,
required additional measures etc.).
It is absolutely essential to ensure that all
connecting cables are laid so that they are
physically separate from cables carrying mains
voltage (e.g. in separate cable ducts or wiring
conduits). Alternatively, it is possible to use
double insulated mains cables for the cables
carrying mains voltage.
The maximum lengths of all connected cables
varies depending on the type of cable used.
However, a length of 50 m must never be
exceeded.
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