10. Permission start work shall given (after
checking all above-mentioned measures) the person responsible for control work activity.
Protection against adjacent live parts
If there are parts electrical installation the vicinity the work location that cannot
be made dead, then special additional precautions are necessary and shall applied before work
starts.
Repair work
Repair work may consist the following stages:
- fault location,
- fault rectification,
- verification the repaired part the installation.
There are two types maintenance work:
- work where the risk electric shock arcs present and therefore the appropriate
working procedures have applied,
- work where the design equipment enables certain maintenance e.
Maintenance may consist preventive maintenance" which carried out routine
basis with the intention preventing breakdown and keeping equipment good condition, or
"corrective maintenance" which carried out repair replace defective part.3.
Different procedures may need applied each stage the work. Maintenance procedures
General
The purpose maintenance keep the electrical installation the required condition.
Specific working conditions shall defined allow fault location and confining defects
under the presence voltage.
.g. All tools, equipment and devices used during the work shall removed.
Re-energizing after work
After the work has been completed, inspected and tested, persons longer required shall be
withdrawn. Only then
shall the procedure for re-energizing commenced.OPERATION ELECTRICAL INSTALLATIONS 91
- provide protection against adjacent live parts,
shall undertaken the specified order. replacement of
fuses light bulbs) undertaken without full working procedures having applied.
Elimination defects shall normally carried out accordance with the rules dead
working.
Appropriate tests and adjustment shall performed ensure that the required parts the
installation are suitable for re-energization
