Patrol

Detailed

Intrusive

Urban

Rural

Urban

Rural

Urban

Rural

Transformers

Overhead

1

2

5

5

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Underground

1

2

3

3

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Padmounted

1

2

5

5

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Switching/Protective Devices

Overhead

1

2

5

5

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Underground

1

2

3

3

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Padmounted

1

2

5

5

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Regulators/Capacitors

Overhead

1

2

5

5

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Underground

1

2

3

3

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Padmounted

1

2

5

5

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Overhead Conductor and Cables

1

2

5

5

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Streetlighting

1

2

x

x

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Wood Poles under 15 years

1

2

x

x

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Wood Poles over 15 years which have not been subject to intrusive inspection

1

2

x

x

10

10

Wood poles which passed intrusive inspection

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20

20