(15/4/2010-26/4/2010)
1)A fault is defined as any defects, weakness, inconsistency or non-homogeneity that affects the performance of a cable
2)CAUSES OF CABLE FAULT
There are many reasons why fault occurs. The more common faults are due to the following:
1. Damaged accidentally by external mechanical means.
2. Damage caused as a result of mishandling the cable during initial laying.
3. Poor workmanship in cable jointing.
4. Manufacturer's defects
5. Natural causes due to aging of cable, and
6. Damage caused by movement of soil & erosion.
3)TYPES OF CABLE FAULT
In general fault can be divided into series & shunt types.
1.Series (Open Circuit) Fault
- A fault involving the failure of continuity in either the conductors or cable sheath.
2.Shunt (Short Circuit) Fault
- A fault involving the failure of insulation in the conductor(s).
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