atmospheric phenomena switching overvoltages).14 Accessibility electrical equipment
* sufficient space for the initial installation and later replacement individual items of
electrical equipment;
* accessibility for operation, testing, inspection, maintenance, and repair.11 Emergency control
Where, case danger, immediate interruption supply could necessary an
interrupting device shall installed. this
context, the factors, which can have influence, include, e.
.
6.4.4.
− power factor,
− inrush current,
− asymmetrical load,
− harmonics.12 Conditions installation
All electrical equipment shall selected withstand safely the stresses and the
environmental conditions characteristic its location and which may exposed.
All electrical equipment shall selected that will not cause harmful effects other
equipment impair the supply during normal service including switching operations.CONSTRUCTION ELECTRICAL INSTALLATION AND EQUIPMENT 65
Persons livestock shall protected against injury and property shall protected against
damage consequence any excessive voltages likely arise due other causes (e.4. If,
however, item equipment does not have design the properties corresponding its
location, may used condition that adequate additional protection provided part of
the completed electrical installation.10 Disconnecting devices
Disconnecting devices shall provided permit disconnection the electrical
installation, circuits individual items apparatus required for maintenance, testing, fault
detection repair.g. should installed such way that can easily
recognized and effectively and rapidly operated.
6.
6.13 Prevention mutual influence
The electrical installation shall arranged such way that mutual detrimental
influence will occur between the electrical installation and non-electrical installations the
building.4.g.
6.4.
6
