There are two kinds operating activities:
. Permission start work shall given (after
checking all above mentioned measures the person responsible for control work activity.
Operating activities
Operating activities are designed change the electrical state electrical installation.OPERATION ELECTRICAL INSTALLATIONS 89
- insulated and insulating tools;
- operating poles and rods;
- lock, notices, signs;
- voltage detectors and indicating devices;
- cable locating equipment;
- earthing and short-circuiting equipment;
- barriers, flags, supports.
From the view the ability work electrical installation, the qualification persons is
divided the following way:
ordinary person
a person who neither skilled person nor instructed person person without any
electrical qualification,
instructed person
a person adequately advised supervised skilled persons enable him her avoid
dangers which electricity may create,
skilled person
a person with relevant education and experience enable him her avoid dangers
which electricity may create.
10. Standard operational procedures
The following procedures shall carried out skilled instructed persons using, where
appropriate, suitable tools and equipment that danger persons presented.
There are different sorts work activities related electrical equipment installation
which persons can according their electrical qualification.1.
The most work activities are being provided dead working. The following five essential
requirements:
- disconnect completely,
- secure against re-connection,
- verify that the installation dead,
- provide earthing and short-circuiting,
- provide protection against adjacent live parts,
shall undertaken the specified order. Work activities mentioned above
depend qualifications and they are defined ČSN 3100
