10
EN
3.4 Personnel qualification
WARNING!
Risk of injury should qualification be insufficient
Improper handling can result in considerable injury and damage to equip-
ment.
▶
The activities described in these operating instructions may only be
carried out by skilled personnel who have the qualifications described
below.
Skilled electrical personnel
Skilled electrical personnel are understood to be personnel who, based on their techni-
cal training, know-how and experience as well as their knowledge of country-specific
regulations, current standards and directives, are capable of carrying out work on
electrical systems and independently recognising and avoiding potential hazards. The
skilled electrical personnel have been specifically trained for the work environment they
are working in and know the relevant standards and regulations. The skilled electrical
personnel must comply with current legal accident prevention regulations.
Operating personnel
The personnel trained by the operator are understood to be personnel who, based
on their education, knowledge and experience, are capable of carrying out the work
described and independently recognising potential hazards.
3.5 Danger of handling SF
6
gas
High concentrations of SF
6
gas can lead to asphyxiation.
Observe the following safety instructions in order to avoid danger from SF
6
gas:
■
Read the material safety data sheet of the gas supplier.
■
With large leaks, evacuate the area quickly.
■
Ensure good ventilation.
■
Ensure the leak tightness of the equipment with a leak detector (e.g. model GIR-10).
Valid standards and guidelines
■
BGI 753 (SF
6
plant and equipment in Germany)
■
TRGS 900 (workplace limit values)
SF
6
is a colourless and odourless, chemically neutral, inert and
non-inflammable gas which is approx. five times heavier than air, not toxic
and not harmful to the ozone layer. Detailed information is given in IEC
60376 and IEC 61634.
3. Safety
